Home / 122,726.12-169,368.02-69,028.04

Finding the Fourth Proportional to 122,726.12, 169,368.02 and 69,028.04

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Solution

The fourth proportional to 122,726.12, 169,368.02 and 69,028.04 is: 95,262.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,726.12 : 169,368.02 = 69,028.04 : x
  2. Step 2: Convert to fraction form
    122,726.12/169,368.02 = 69,028.04/x
  3. Step 3: Cross multiply
    122,726.12x = 169,368.02 × 69,028.04
  4. Step 4: Simplify right side
    122,726.12x = 11,691,142,459.28
  5. Step 5: Solve for x
    x = 11,691,142,459.28/122,726.12
  6. Step 6: Final answer
    x = 95,262.06

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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.