Home / 113,446.06-156,555.51-63,156.94

Finding the Fourth Proportional to 113,446.06, 156,555.51 and 63,156.94

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Solution

The fourth proportional to 113,446.06, 156,555.51 and 63,156.94 is: 87,156.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,446.06 : 156,555.51 = 63,156.94 : x
  2. Step 2: Convert to fraction form
    113,446.06/156,555.51 = 63,156.94/x
  3. Step 3: Cross multiply
    113,446.06x = 156,555.51 × 63,156.94
  4. Step 4: Simplify right side
    113,446.06x = 9,887,566,951.74
  5. Step 5: Solve for x
    x = 9,887,566,951.74/113,446.06
  6. Step 6: Final answer
    x = 87,156.55

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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.