Home / 123,301.77-170,156.44-66,713.15

Finding the Fourth Proportional to 123,301.77, 170,156.44 and 66,713.15

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Solution

The fourth proportional to 123,301.77, 170,156.44 and 66,713.15 is: 92,064.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,301.77 : 170,156.44 = 66,713.15 : x
  2. Step 2: Convert to fraction form
    123,301.77/170,156.44 = 66,713.15/x
  3. Step 3: Cross multiply
    123,301.77x = 170,156.44 × 66,713.15
  4. Step 4: Simplify right side
    123,301.77x = 11,351,670,920.84
  5. Step 5: Solve for x
    x = 11,351,670,920.84/123,301.77
  6. Step 6: Final answer
    x = 92,064.14

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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.