Home / 156,622.14-216,138.46-88,637.88

Finding the Fourth Proportional to 156,622.14, 216,138.46 and 88,637.88

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Solution

The fourth proportional to 156,622.14, 216,138.46 and 88,637.88 is: 122,320.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,622.14 : 216,138.46 = 88,637.88 : x
  2. Step 2: Convert to fraction form
    156,622.14/216,138.46 = 88,637.88/x
  3. Step 3: Cross multiply
    156,622.14x = 216,138.46 × 88,637.88
  4. Step 4: Simplify right side
    156,622.14x = 19,158,053,578.58
  5. Step 5: Solve for x
    x = 19,158,053,578.58/156,622.14
  6. Step 6: Final answer
    x = 122,320.22

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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.