Home / 113,743.13-156,965.51-63,442.13

Finding the Fourth Proportional to 113,743.13, 156,965.51 and 63,442.13

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Solution

The fourth proportional to 113,743.13, 156,965.51 and 63,442.13 is: 87,550.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,743.13 : 156,965.51 = 63,442.13 : x
  2. Step 2: Convert to fraction form
    113,743.13/156,965.51 = 63,442.13/x
  3. Step 3: Cross multiply
    113,743.13x = 156,965.51 × 63,442.13
  4. Step 4: Simplify right side
    113,743.13x = 9,958,226,290.94
  5. Step 5: Solve for x
    x = 9,958,226,290.94/113,743.13
  6. Step 6: Final answer
    x = 87,550.13

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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.