Home / 123,446.16-170,355.42-66,857.40

Finding the Fourth Proportional to 123,446.16, 170,355.42 and 66,857.40

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Solution

The fourth proportional to 123,446.16, 170,355.42 and 66,857.40 is: 92,263.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,446.16 : 170,355.42 = 66,857.40 : x
  2. Step 2: Convert to fraction form
    123,446.16/170,355.42 = 66,857.40/x
  3. Step 3: Cross multiply
    123,446.16x = 170,355.42 × 66,857.40
  4. Step 4: Simplify right side
    123,446.16x = 11,389,520,457.11
  5. Step 5: Solve for x
    x = 11,389,520,457.11/123,446.16
  6. Step 6: Final answer
    x = 92,263.06

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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.