Home / 198,123.87-297,184.78-48,364.95

Finding the Fourth Proportional to 198,123.87, 297,184.78 and 48,364.95

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Solution

The fourth proportional to 198,123.87, 297,184.78 and 48,364.95 is: 72,547.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,123.87 : 297,184.78 = 48,364.95 : x
  2. Step 2: Convert to fraction form
    198,123.87/297,184.78 = 48,364.95/x
  3. Step 3: Cross multiply
    198,123.87x = 297,184.78 × 48,364.95
  4. Step 4: Simplify right side
    198,123.87x = 14,373,327,025.46
  5. Step 5: Solve for x
    x = 14,373,327,025.46/198,123.87
  6. Step 6: Final answer
    x = 72,547.17

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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.