Home / 156,104.93-234,088.13-71,844.68

Finding the Fourth Proportional to 156,104.93, 234,088.13 and 71,844.68

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Solution

The fourth proportional to 156,104.93, 234,088.13 and 71,844.68 is: 107,735.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,104.93 : 234,088.13 = 71,844.68 : x
  2. Step 2: Convert to fraction form
    156,104.93/234,088.13 = 71,844.68/x
  3. Step 3: Cross multiply
    156,104.93x = 234,088.13 × 71,844.68
  4. Step 4: Simplify right side
    156,104.93x = 16,817,985,800.82
  5. Step 5: Solve for x
    x = 16,817,985,800.82/156,104.93
  6. Step 6: Final answer
    x = 107,735.14

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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.