Home / 156,693.11-216,236.48-85,073.14

Finding the Fourth Proportional to 156,693.11, 216,236.48 and 85,073.14

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Solution

The fourth proportional to 156,693.11, 216,236.48 and 85,073.14 is: 117,400.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,693.11 : 216,236.48 = 85,073.14 : x
  2. Step 2: Convert to fraction form
    156,693.11/216,236.48 = 85,073.14/x
  3. Step 3: Cross multiply
    156,693.11x = 216,236.48 × 85,073.14
  4. Step 4: Simplify right side
    156,693.11x = 18,395,916,008.24
  5. Step 5: Solve for x
    x = 18,395,916,008.24/156,693.11
  6. Step 6: Final answer
    x = 117,400.93

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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.