Home / 156,162.72-233,699.76-127,754.40

Finding the Fourth Proportional to 156,162.72, 233,699.76 and 127,754.40

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Solution

The fourth proportional to 156,162.72, 233,699.76 and 127,754.40 is: 191,186.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,162.72 : 233,699.76 = 127,754.40 : x
  2. Step 2: Convert to fraction form
    156,162.72/233,699.76 = 127,754.40/x
  3. Step 3: Cross multiply
    156,162.72x = 233,699.76 × 127,754.40
  4. Step 4: Simplify right side
    156,162.72x = 29,856,172,618.94
  5. Step 5: Solve for x
    x = 29,856,172,618.94/156,162.72
  6. Step 6: Final answer
    x = 191,186.30

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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.