Home / 238,964.28-358,445.50-89,242.26

Finding the Fourth Proportional to 238,964.28, 358,445.50 and 89,242.26

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Solution

The fourth proportional to 238,964.28, 358,445.50 and 89,242.26 is: 133,863.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,964.28 : 358,445.50 = 89,242.26 : x
  2. Step 2: Convert to fraction form
    238,964.28/358,445.50 = 89,242.26/x
  3. Step 3: Cross multiply
    238,964.28x = 358,445.50 × 89,242.26
  4. Step 4: Simplify right side
    238,964.28x = 31,988,486,506.83
  5. Step 5: Solve for x
    x = 31,988,486,506.83/238,964.28
  6. Step 6: Final answer
    x = 133,863.05

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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.