Home / 112,158.67-154,773.51-66,835.65

Finding the Fourth Proportional to 112,158.67, 154,773.51 and 66,835.65

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Solution

The fourth proportional to 112,158.67, 154,773.51 and 66,835.65 is: 92,229.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,158.67 : 154,773.51 = 66,835.65 : x
  2. Step 2: Convert to fraction form
    112,158.67/154,773.51 = 66,835.65/x
  3. Step 3: Cross multiply
    112,158.67x = 154,773.51 × 66,835.65
  4. Step 4: Simplify right side
    112,158.67x = 10,344,387,035.59
  5. Step 5: Solve for x
    x = 10,344,387,035.59/112,158.67
  6. Step 6: Final answer
    x = 92,229.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.