Home / 156,685.42-216,230.83-88,701.16

Finding the Fourth Proportional to 156,685.42, 216,230.83 and 88,701.16

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Solution

The fourth proportional to 156,685.42, 216,230.83 and 88,701.16 is: 122,410.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,685.42 : 216,230.83 = 88,701.16 : x
  2. Step 2: Convert to fraction form
    156,685.42/216,230.83 = 88,701.16/x
  3. Step 3: Cross multiply
    156,685.42x = 216,230.83 × 88,701.16
  4. Step 4: Simplify right side
    156,685.42x = 19,179,924,367.61
  5. Step 5: Solve for x
    x = 19,179,924,367.61/156,685.42
  6. Step 6: Final answer
    x = 122,410.40

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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.