Home / 127,705.06-176,233.22-74,000.44

Finding the Fourth Proportional to 127,705.06, 176,233.22 and 74,000.44

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Solution

The fourth proportional to 127,705.06, 176,233.22 and 74,000.44 is: 102,120.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,705.06 : 176,233.22 = 74,000.44 : x
  2. Step 2: Convert to fraction form
    127,705.06/176,233.22 = 74,000.44/x
  3. Step 3: Cross multiply
    127,705.06x = 176,233.22 × 74,000.44
  4. Step 4: Simplify right side
    127,705.06x = 13,041,335,822.62
  5. Step 5: Solve for x
    x = 13,041,335,822.62/127,705.06
  6. Step 6: Final answer
    x = 102,120.74

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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.