Home / 238,226.50-328,658.80-136,197.15

Finding the Fourth Proportional to 238,226.50, 328,658.80 and 136,197.15

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Solution

The fourth proportional to 238,226.50, 328,658.80 and 136,197.15 is: 187,898.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,226.50 : 328,658.80 = 136,197.15 : x
  2. Step 2: Convert to fraction form
    238,226.50/328,658.80 = 136,197.15/x
  3. Step 3: Cross multiply
    238,226.50x = 328,658.80 × 136,197.15
  4. Step 4: Simplify right side
    238,226.50x = 44,762,391,882.42
  5. Step 5: Solve for x
    x = 44,762,391,882.42/238,226.50
  6. Step 6: Final answer
    x = 187,898.46

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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.