Home / 156,259.18-234,388.86-43,939.40

Finding the Fourth Proportional to 156,259.18, 234,388.86 and 43,939.40

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Solution

The fourth proportional to 156,259.18, 234,388.86 and 43,939.40 is: 65,909.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,259.18 : 234,388.86 = 43,939.40 : x
  2. Step 2: Convert to fraction form
    156,259.18/234,388.86 = 43,939.40/x
  3. Step 3: Cross multiply
    156,259.18x = 234,388.86 × 43,939.40
  4. Step 4: Simplify right side
    156,259.18x = 10,298,906,886.76
  5. Step 5: Solve for x
    x = 10,298,906,886.76/156,259.18
  6. Step 6: Final answer
    x = 65,909.13

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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.