Home / 156,036.70-234,055.05-132,417.10

Finding the Fourth Proportional to 156,036.70, 234,055.05 and 132,417.10

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Solution

The fourth proportional to 156,036.70, 234,055.05 and 132,417.10 is: 198,625.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,036.70 : 234,055.05 = 132,417.10 : x
  2. Step 2: Convert to fraction form
    156,036.70/234,055.05 = 132,417.10/x
  3. Step 3: Cross multiply
    156,036.70x = 234,055.05 × 132,417.10
  4. Step 4: Simplify right side
    156,036.70x = 30,992,890,961.36
  5. Step 5: Solve for x
    x = 30,992,890,961.36/156,036.70
  6. Step 6: Final answer
    x = 198,625.65

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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.