Home / 156,966.17-216,612.20-85,346.24

Finding the Fourth Proportional to 156,966.17, 216,612.20 and 85,346.24

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Solution

The fourth proportional to 156,966.17, 216,612.20 and 85,346.24 is: 117,777.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,966.17 : 216,612.20 = 85,346.24 : x
  2. Step 2: Convert to fraction form
    156,966.17/216,612.20 = 85,346.24/x
  3. Step 3: Cross multiply
    156,966.17x = 216,612.20 × 85,346.24
  4. Step 4: Simplify right side
    156,966.17x = 18,487,036,808.13
  5. Step 5: Solve for x
    x = 18,487,036,808.13/156,966.17
  6. Step 6: Final answer
    x = 117,777.21

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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.