Home / 156,117.85-233,988.19-76,035.79

Finding the Fourth Proportional to 156,117.85, 233,988.19 and 76,035.79

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Solution

The fourth proportional to 156,117.85, 233,988.19 and 76,035.79 is: 113,961.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,117.85 : 233,988.19 = 76,035.79 : x
  2. Step 2: Convert to fraction form
    156,117.85/233,988.19 = 76,035.79/x
  3. Step 3: Cross multiply
    156,117.85x = 233,988.19 × 76,035.79
  4. Step 4: Simplify right side
    156,117.85x = 17,791,476,877.32
  5. Step 5: Solve for x
    x = 17,791,476,877.32/156,117.85
  6. Step 6: Final answer
    x = 113,961.84

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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.