Home / 331,711.16-497,424.57-154,199.66

Finding the Fourth Proportional to 331,711.16, 497,424.57 and 154,199.66

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Solution

The fourth proportional to 331,711.16, 497,424.57 and 154,199.66 is: 231,233.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,711.16 : 497,424.57 = 154,199.66 : x
  2. Step 2: Convert to fraction form
    331,711.16/497,424.57 = 154,199.66/x
  3. Step 3: Cross multiply
    331,711.16x = 497,424.57 × 154,199.66
  4. Step 4: Simplify right side
    331,711.16x = 76,702,697,082.52
  5. Step 5: Solve for x
    x = 76,702,697,082.52/331,711.16
  6. Step 6: Final answer
    x = 231,233.40

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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.