Home / 104,217.18-143,818.71-56,470.62

Finding the Fourth Proportional to 104,217.18, 143,818.71 and 56,470.62

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Solution

The fourth proportional to 104,217.18, 143,818.71 and 56,470.62 is: 77,928.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,217.18 : 143,818.71 = 56,470.62 : x
  2. Step 2: Convert to fraction form
    104,217.18/143,818.71 = 56,470.62/x
  3. Step 3: Cross multiply
    104,217.18x = 143,818.71 × 56,470.62
  4. Step 4: Simplify right side
    104,217.18x = 8,121,531,721.30
  5. Step 5: Solve for x
    x = 8,121,531,721.30/104,217.18
  6. Step 6: Final answer
    x = 77,928.91

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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.