Home / 238,200.12-328,732.11-157,488.87

Finding the Fourth Proportional to 238,200.12, 328,732.11 and 157,488.87

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Solution

The fourth proportional to 238,200.12, 328,732.11 and 157,488.87 is: 217,345.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,200.12 : 328,732.11 = 157,488.87 : x
  2. Step 2: Convert to fraction form
    238,200.12/328,732.11 = 157,488.87/x
  3. Step 3: Cross multiply
    238,200.12x = 328,732.11 × 157,488.87
  4. Step 4: Simplify right side
    238,200.12x = 51,771,648,536.62
  5. Step 5: Solve for x
    x = 51,771,648,536.62/238,200.12
  6. Step 6: Final answer
    x = 217,345.18

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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.