Home / 162,755.04-224,595-91,122.96

Finding the Fourth Proportional to 162,755.04, 224,595 and 91,122.96

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Solution

The fourth proportional to 162,755.04, 224,595 and 91,122.96 is: 125,745.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,755.04 : 224,595 = 91,122.96 : x
  2. Step 2: Convert to fraction form
    162,755.04/224,595 = 91,122.96/x
  3. Step 3: Cross multiply
    162,755.04x = 224,595 × 91,122.96
  4. Step 4: Simplify right side
    162,755.04x = 20,465,761,201.20
  5. Step 5: Solve for x
    x = 20,465,761,201.20/162,755.04
  6. Step 6: Final answer
    x = 125,745.79

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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.