Home / 366,929.52-550,445.28-130,215.90

Finding the Fourth Proportional to 366,929.52, 550,445.28 and 130,215.90

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Solution

The fourth proportional to 366,929.52, 550,445.28 and 130,215.90 is: 195,341.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,929.52 : 550,445.28 = 130,215.90 : x
  2. Step 2: Convert to fraction form
    366,929.52/550,445.28 = 130,215.90/x
  3. Step 3: Cross multiply
    366,929.52x = 550,445.28 × 130,215.90
  4. Step 4: Simplify right side
    366,929.52x = 71,676,727,535.95
  5. Step 5: Solve for x
    x = 71,676,727,535.95/366,929.52
  6. Step 6: Final answer
    x = 195,341.95

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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.