Home / 156,335.76-234,454.41-51,130.17

Finding the Fourth Proportional to 156,335.76, 234,454.41 and 51,130.17

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Solution

The fourth proportional to 156,335.76, 234,454.41 and 51,130.17 is: 76,679.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,335.76 : 234,454.41 = 51,130.17 : x
  2. Step 2: Convert to fraction form
    156,335.76/234,454.41 = 51,130.17/x
  3. Step 3: Cross multiply
    156,335.76x = 234,454.41 × 51,130.17
  4. Step 4: Simplify right side
    156,335.76x = 11,987,693,840.55
  5. Step 5: Solve for x
    x = 11,987,693,840.55/156,335.76
  6. Step 6: Final answer
    x = 76,679.15

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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.