Home / 119,281.44-164,446.20-90,082.20

Finding the Fourth Proportional to 119,281.44, 164,446.20 and 90,082.20

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Solution

The fourth proportional to 119,281.44, 164,446.20 and 90,082.20 is: 124,190.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,281.44 : 164,446.20 = 90,082.20 : x
  2. Step 2: Convert to fraction form
    119,281.44/164,446.20 = 90,082.20/x
  3. Step 3: Cross multiply
    119,281.44x = 164,446.20 × 90,082.20
  4. Step 4: Simplify right side
    119,281.44x = 14,813,675,477.64
  5. Step 5: Solve for x
    x = 14,813,675,477.64/119,281.44
  6. Step 6: Final answer
    x = 124,190.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.