Home / 156,062.51-234,128.60-61,301.87

Finding the Fourth Proportional to 156,062.51, 234,128.60 and 61,301.87

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Solution

The fourth proportional to 156,062.51, 234,128.60 and 61,301.87 is: 91,966.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,062.51 : 234,128.60 = 61,301.87 : x
  2. Step 2: Convert to fraction form
    156,062.51/234,128.60 = 61,301.87/x
  3. Step 3: Cross multiply
    156,062.51x = 234,128.60 × 61,301.87
  4. Step 4: Simplify right side
    156,062.51x = 14,352,520,693.97
  5. Step 5: Solve for x
    x = 14,352,520,693.97/156,062.51
  6. Step 6: Final answer
    x = 91,966.49

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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.