Home / 151,082.40-226,064.55-91,145.62

Finding the Fourth Proportional to 151,082.40, 226,064.55 and 91,145.62

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Solution

The fourth proportional to 151,082.40, 226,064.55 and 91,145.62 is: 136,381.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,082.40 : 226,064.55 = 91,145.62 : x
  2. Step 2: Convert to fraction form
    151,082.40/226,064.55 = 91,145.62/x
  3. Step 3: Cross multiply
    151,082.40x = 226,064.55 × 91,145.62
  4. Step 4: Simplify right side
    151,082.40x = 20,604,793,048.18
  5. Step 5: Solve for x
    x = 20,604,793,048.18/151,082.40
  6. Step 6: Final answer
    x = 136,381.16

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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.