Home / 153,966.72-231,162.56-106,465.28

Finding the Fourth Proportional to 153,966.72, 231,162.56 and 106,465.28

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Solution

The fourth proportional to 153,966.72, 231,162.56 and 106,465.28 is: 159,844.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,966.72 : 231,162.56 = 106,465.28 : x
  2. Step 2: Convert to fraction form
    153,966.72/231,162.56 = 106,465.28/x
  3. Step 3: Cross multiply
    153,966.72x = 231,162.56 × 106,465.28
  4. Step 4: Simplify right side
    153,966.72x = 24,610,786,675.92
  5. Step 5: Solve for x
    x = 24,610,786,675.92/153,966.72
  6. Step 6: Final answer
    x = 159,844.85

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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.