Home / 176,543.13-243,624.40-100,069.28

Finding the Fourth Proportional to 176,543.13, 243,624.40 and 100,069.28

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Solution

The fourth proportional to 176,543.13, 243,624.40 and 100,069.28 is: 138,092.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,543.13 : 243,624.40 = 100,069.28 : x
  2. Step 2: Convert to fraction form
    176,543.13/243,624.40 = 100,069.28/x
  3. Step 3: Cross multiply
    176,543.13x = 243,624.40 × 100,069.28
  4. Step 4: Simplify right side
    176,543.13x = 24,379,318,298.43
  5. Step 5: Solve for x
    x = 24,379,318,298.43/176,543.13
  6. Step 6: Final answer
    x = 138,092.70

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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.