Home / 243,646.24-365,377.20-103,470.88

Finding the Fourth Proportional to 243,646.24, 365,377.20 and 103,470.88

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Solution

The fourth proportional to 243,646.24, 365,377.20 and 103,470.88 is: 155,167.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,646.24 : 365,377.20 = 103,470.88 : x
  2. Step 2: Convert to fraction form
    243,646.24/365,377.20 = 103,470.88/x
  3. Step 3: Cross multiply
    243,646.24x = 365,377.20 × 103,470.88
  4. Step 4: Simplify right side
    243,646.24x = 37,805,900,415.94
  5. Step 5: Solve for x
    x = 37,805,900,415.94/243,646.24
  6. Step 6: Final answer
    x = 155,167.18

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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.