Home / 123,301.71-170,156.35-66,713.08

Finding the Fourth Proportional to 123,301.71, 170,156.35 and 66,713.08

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Solution

The fourth proportional to 123,301.71, 170,156.35 and 66,713.08 is: 92,064.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,301.71 : 170,156.35 = 66,713.08 : x
  2. Step 2: Convert to fraction form
    123,301.71/170,156.35 = 66,713.08/x
  3. Step 3: Cross multiply
    123,301.71x = 170,156.35 × 66,713.08
  4. Step 4: Simplify right side
    123,301.71x = 11,351,654,190.06
  5. Step 5: Solve for x
    x = 11,351,654,190.06/123,301.71
  6. Step 6: Final answer
    x = 92,064.05

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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.