Home / 115,387.40-173,129.70-62,834.60

Finding the Fourth Proportional to 115,387.40, 173,129.70 and 62,834.60

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Solution

The fourth proportional to 115,387.40, 173,129.70 and 62,834.60 is: 94,278.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,387.40 : 173,129.70 = 62,834.60 : x
  2. Step 2: Convert to fraction form
    115,387.40/173,129.70 = 62,834.60/x
  3. Step 3: Cross multiply
    115,387.40x = 173,129.70 × 62,834.60
  4. Step 4: Simplify right side
    115,387.40x = 10,878,535,447.62
  5. Step 5: Solve for x
    x = 10,878,535,447.62/115,387.40
  6. Step 6: Final answer
    x = 94,278.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.