Home / 130,747.29-180,470.70-113,032.59

Finding the Fourth Proportional to 130,747.29, 180,470.70 and 113,032.59

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Solution

The fourth proportional to 130,747.29, 180,470.70 and 113,032.59 is: 156,019.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,747.29 : 180,470.70 = 113,032.59 : x
  2. Step 2: Convert to fraction form
    130,747.29/180,470.70 = 113,032.59/x
  3. Step 3: Cross multiply
    130,747.29x = 180,470.70 × 113,032.59
  4. Step 4: Simplify right side
    130,747.29x = 20,399,070,640.11
  5. Step 5: Solve for x
    x = 20,399,070,640.11/130,747.29
  6. Step 6: Final answer
    x = 156,019.07

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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.