Home / 349,780.56-524,612.13-97,086.72

Finding the Fourth Proportional to 349,780.56, 524,612.13 and 97,086.72

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Solution

The fourth proportional to 349,780.56, 524,612.13 and 97,086.72 is: 145,613.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,780.56 : 524,612.13 = 97,086.72 : x
  2. Step 2: Convert to fraction form
    349,780.56/524,612.13 = 97,086.72/x
  3. Step 3: Cross multiply
    349,780.56x = 524,612.13 × 97,086.72
  4. Step 4: Simplify right side
    349,780.56x = 50,932,870,973.91
  5. Step 5: Solve for x
    x = 50,932,870,973.91/349,780.56
  6. Step 6: Final answer
    x = 145,613.78

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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.