Home / 127,800.33-176,365.13-74,117.18

Finding the Fourth Proportional to 127,800.33, 176,365.13 and 74,117.18

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Solution

The fourth proportional to 127,800.33, 176,365.13 and 74,117.18 is: 102,282.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,800.33 : 176,365.13 = 74,117.18 : x
  2. Step 2: Convert to fraction form
    127,800.33/176,365.13 = 74,117.18/x
  3. Step 3: Cross multiply
    127,800.33x = 176,365.13 × 74,117.18
  4. Step 4: Simplify right side
    127,800.33x = 13,071,684,833.52
  5. Step 5: Solve for x
    x = 13,071,684,833.52/127,800.33
  6. Step 6: Final answer
    x = 102,282.09

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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.