Home / 113,700.25-156,907.55-62,715.20

Finding the Fourth Proportional to 113,700.25, 156,907.55 and 62,715.20

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Solution

The fourth proportional to 113,700.25, 156,907.55 and 62,715.20 is: 86,547.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,700.25 : 156,907.55 = 62,715.20 : x
  2. Step 2: Convert to fraction form
    113,700.25/156,907.55 = 62,715.20/x
  3. Step 3: Cross multiply
    113,700.25x = 156,907.55 × 62,715.20
  4. Step 4: Simplify right side
    113,700.25x = 9,840,488,379.76
  5. Step 5: Solve for x
    x = 9,840,488,379.76/113,700.25
  6. Step 6: Final answer
    x = 86,547.64

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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.