Home / 113,112.88-156,097.65-62,130.32

Finding the Fourth Proportional to 113,112.88, 156,097.65 and 62,130.32

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Solution

The fourth proportional to 113,112.88, 156,097.65 and 62,130.32 is: 85,740.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,112.88 : 156,097.65 = 62,130.32 : x
  2. Step 2: Convert to fraction form
    113,112.88/156,097.65 = 62,130.32/x
  3. Step 3: Cross multiply
    113,112.88x = 156,097.65 × 62,130.32
  4. Step 4: Simplify right side
    113,112.88x = 9,698,396,945.75
  5. Step 5: Solve for x
    x = 9,698,396,945.75/113,112.88
  6. Step 6: Final answer
    x = 85,740.88

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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.