Home / 113,512.52-156,651.42-70,515.74

Finding the Fourth Proportional to 113,512.52, 156,651.42 and 70,515.74

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Solution

The fourth proportional to 113,512.52, 156,651.42 and 70,515.74 is: 97,314.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,512.52 : 156,651.42 = 70,515.74 : x
  2. Step 2: Convert to fraction form
    113,512.52/156,651.42 = 70,515.74/x
  3. Step 3: Cross multiply
    113,512.52x = 156,651.42 × 70,515.74
  4. Step 4: Simplify right side
    113,512.52x = 11,046,390,450.77
  5. Step 5: Solve for x
    x = 11,046,390,450.77/113,512.52
  6. Step 6: Final answer
    x = 97,314.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.