Home / 128,259,904.38-176,993,926.17-69,521,308.35

Finding the Fourth Proportional to 128,259,904.38, 176,993,926.17 and 69,521,308.35

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Solution

The fourth proportional to 128,259,904.38, 176,993,926.17 and 69,521,308.35 is: 95,936,835.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,259,904.38 : 176,993,926.17 = 69,521,308.35 : x
  2. Step 2: Convert to fraction form
    128,259,904.38/176,993,926.17 = 69,521,308.35/x
  3. Step 3: Cross multiply
    128,259,904.38x = 176,993,926.17 × 69,521,308.35
  4. Step 4: Simplify right side
    128,259,904.38x = 12,304,849,317,341,702
  5. Step 5: Solve for x
    x = 12,304,849,317,341,702/128,259,904.38
  6. Step 6: Final answer
    x = 95,936,835.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.