Home / 118,543.12-177,727.20-43,624.24

Finding the Fourth Proportional to 118,543.12, 177,727.20 and 43,624.24

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Solution

The fourth proportional to 118,543.12, 177,727.20 and 43,624.24 is: 65,404.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,543.12 : 177,727.20 = 43,624.24 : x
  2. Step 2: Convert to fraction form
    118,543.12/177,727.20 = 43,624.24/x
  3. Step 3: Cross multiply
    118,543.12x = 177,727.20 × 43,624.24
  4. Step 4: Simplify right side
    118,543.12x = 7,753,214,027.33
  5. Step 5: Solve for x
    x = 7,753,214,027.33/118,543.12
  6. Step 6: Final answer
    x = 65,404.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.