Home / 102,191.15-153,286.79-48,870.53

Finding the Fourth Proportional to 102,191.15, 153,286.79 and 48,870.53

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Solution

The fourth proportional to 102,191.15, 153,286.79 and 48,870.53 is: 73,305.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,191.15 : 153,286.79 = 48,870.53 : x
  2. Step 2: Convert to fraction form
    102,191.15/153,286.79 = 48,870.53/x
  3. Step 3: Cross multiply
    102,191.15x = 153,286.79 × 48,870.53
  4. Step 4: Simplify right side
    102,191.15x = 7,491,205,658.51
  5. Step 5: Solve for x
    x = 7,491,205,658.51/102,191.15
  6. Step 6: Final answer
    x = 73,305.82

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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.