Home / 140,464.59-193,841.13-76,802.38

Finding the Fourth Proportional to 140,464.59, 193,841.13 and 76,802.38

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Solution

The fourth proportional to 140,464.59, 193,841.13 and 76,802.38 is: 105,987.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,464.59 : 193,841.13 = 76,802.38 : x
  2. Step 2: Convert to fraction form
    140,464.59/193,841.13 = 76,802.38/x
  3. Step 3: Cross multiply
    140,464.59x = 193,841.13 × 76,802.38
  4. Step 4: Simplify right side
    140,464.59x = 14,887,460,125.89
  5. Step 5: Solve for x
    x = 14,887,460,125.89/140,464.59
  6. Step 6: Final answer
    x = 105,987.28

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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.