Home / 238,968.10-358,452.15-72,756.10

Finding the Fourth Proportional to 238,968.10, 358,452.15 and 72,756.10

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Solution

The fourth proportional to 238,968.10, 358,452.15 and 72,756.10 is: 109,134.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,968.10 : 358,452.15 = 72,756.10 : x
  2. Step 2: Convert to fraction form
    238,968.10/358,452.15 = 72,756.10/x
  3. Step 3: Cross multiply
    238,968.10x = 358,452.15 × 72,756.10
  4. Step 4: Simplify right side
    238,968.10x = 26,079,580,470.62
  5. Step 5: Solve for x
    x = 26,079,580,470.62/238,968.10
  6. Step 6: Final answer
    x = 109,134.15

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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.