Home / 434,278.53-651,511.35-134,753.22

Finding the Fourth Proportional to 434,278.53, 651,511.35 and 134,753.22

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Solution

The fourth proportional to 434,278.53, 651,511.35 and 134,753.22 is: 202,158.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,278.53 : 651,511.35 = 134,753.22 : x
  2. Step 2: Convert to fraction form
    434,278.53/651,511.35 = 134,753.22/x
  3. Step 3: Cross multiply
    434,278.53x = 651,511.35 × 134,753.22
  4. Step 4: Simplify right side
    434,278.53x = 87,793,252,279.05
  5. Step 5: Solve for x
    x = 87,793,252,279.05/434,278.53
  6. Step 6: Final answer
    x = 202,158.86

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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.