Home / 302,948.10-454,422.15-103,493.70

Finding the Fourth Proportional to 302,948.10, 454,422.15 and 103,493.70

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Solution

The fourth proportional to 302,948.10, 454,422.15 and 103,493.70 is: 155,240.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,948.10 : 454,422.15 = 103,493.70 : x
  2. Step 2: Convert to fraction form
    302,948.10/454,422.15 = 103,493.70/x
  3. Step 3: Cross multiply
    302,948.10x = 454,422.15 × 103,493.70
  4. Step 4: Simplify right side
    302,948.10x = 47,029,829,665.46
  5. Step 5: Solve for x
    x = 47,029,829,665.46/302,948.10
  6. Step 6: Final answer
    x = 155,240.55

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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.