Home / 104,456.64-144,151.20-56,710.38

Finding the Fourth Proportional to 104,456.64, 144,151.20 and 56,710.38

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Solution

The fourth proportional to 104,456.64, 144,151.20 and 56,710.38 is: 78,260.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,456.64 : 144,151.20 = 56,710.38 : x
  2. Step 2: Convert to fraction form
    104,456.64/144,151.20 = 56,710.38/x
  3. Step 3: Cross multiply
    104,456.64x = 144,151.20 × 56,710.38
  4. Step 4: Simplify right side
    104,456.64x = 8,174,869,329.46
  5. Step 5: Solve for x
    x = 8,174,869,329.46/104,456.64
  6. Step 6: Final answer
    x = 78,260.89

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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.