Home / 107,156.12-160,718.38-28,275.89

Finding the Fourth Proportional to 107,156.12, 160,718.38 and 28,275.89

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Solution

The fourth proportional to 107,156.12, 160,718.38 and 28,275.89 is: 42,409.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,156.12 : 160,718.38 = 28,275.89 : x
  2. Step 2: Convert to fraction form
    107,156.12/160,718.38 = 28,275.89/x
  3. Step 3: Cross multiply
    107,156.12x = 160,718.38 × 28,275.89
  4. Step 4: Simplify right side
    107,156.12x = 4,544,454,359.58
  5. Step 5: Solve for x
    x = 4,544,454,359.58/107,156.12
  6. Step 6: Final answer
    x = 42,409.66

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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.