Home / 349,079.11-523,545.15-159,485.65

Finding the Fourth Proportional to 349,079.11, 523,545.15 and 159,485.65

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Solution

The fourth proportional to 349,079.11, 523,545.15 and 159,485.65 is: 239,194.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,079.11 : 523,545.15 = 159,485.65 : x
  2. Step 2: Convert to fraction form
    349,079.11/523,545.15 = 159,485.65/x
  3. Step 3: Cross multiply
    349,079.11x = 523,545.15 × 159,485.65
  4. Step 4: Simplify right side
    349,079.11x = 83,497,938,552.10
  5. Step 5: Solve for x
    x = 83,497,938,552.10/349,079.11
  6. Step 6: Final answer
    x = 239,194.89

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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.