Home / 252,522.85-378,875.40-156,348.16

Finding the Fourth Proportional to 252,522.85, 378,875.40 and 156,348.16

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Solution

The fourth proportional to 252,522.85, 378,875.40 and 156,348.16 is: 234,578.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,522.85 : 378,875.40 = 156,348.16 : x
  2. Step 2: Convert to fraction form
    252,522.85/378,875.40 = 156,348.16/x
  3. Step 3: Cross multiply
    252,522.85x = 378,875.40 × 156,348.16
  4. Step 4: Simplify right side
    252,522.85x = 59,236,471,659.26
  5. Step 5: Solve for x
    x = 59,236,471,659.26/252,522.85
  6. Step 6: Final answer
    x = 234,578.66

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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.