Home / 254,217.95-381,329.18-64,678.56

Finding the Fourth Proportional to 254,217.95, 381,329.18 and 64,678.56

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Solution

The fourth proportional to 254,217.95, 381,329.18 and 64,678.56 is: 97,018.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,217.95 : 381,329.18 = 64,678.56 : x
  2. Step 2: Convert to fraction form
    254,217.95/381,329.18 = 64,678.56/x
  3. Step 3: Cross multiply
    254,217.95x = 381,329.18 × 64,678.56
  4. Step 4: Simplify right side
    254,217.95x = 24,663,822,248.38
  5. Step 5: Solve for x
    x = 24,663,822,248.38/254,217.95
  6. Step 6: Final answer
    x = 97,018.41

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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.