Home / 303,158.03-454,778.51-103,424.76

Finding the Fourth Proportional to 303,158.03, 454,778.51 and 103,424.76

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Solution

The fourth proportional to 303,158.03, 454,778.51 and 103,424.76 is: 155,151.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,158.03 : 454,778.51 = 103,424.76 : x
  2. Step 2: Convert to fraction form
    303,158.03/454,778.51 = 103,424.76/x
  3. Step 3: Cross multiply
    303,158.03x = 454,778.51 × 103,424.76
  4. Step 4: Simplify right side
    303,158.03x = 47,035,357,732.78
  5. Step 5: Solve for x
    x = 47,035,357,732.78/303,158.03
  6. Step 6: Final answer
    x = 155,151.29

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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.