Home / 156,963.40-235,445.10-57,126.85

Finding the Fourth Proportional to 156,963.40, 235,445.10 and 57,126.85

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Solution

The fourth proportional to 156,963.40, 235,445.10 and 57,126.85 is: 85,690.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,963.40 : 235,445.10 = 57,126.85 : x
  2. Step 2: Convert to fraction form
    156,963.40/235,445.10 = 57,126.85/x
  3. Step 3: Cross multiply
    156,963.40x = 235,445.10 × 57,126.85
  4. Step 4: Simplify right side
    156,963.40x = 13,450,236,910.94
  5. Step 5: Solve for x
    x = 13,450,236,910.94/156,963.40
  6. Step 6: Final answer
    x = 85,690.28

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1.5x scale

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.