Home / 127,290.23-175,640.96-73,564.85

Finding the Fourth Proportional to 127,290.23, 175,640.96 and 73,564.85

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Solution

The fourth proportional to 127,290.23, 175,640.96 and 73,564.85 is: 101,508.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,290.23 : 175,640.96 = 73,564.85 : x
  2. Step 2: Convert to fraction form
    127,290.23/175,640.96 = 73,564.85/x
  3. Step 3: Cross multiply
    127,290.23x = 175,640.96 × 73,564.85
  4. Step 4: Simplify right side
    127,290.23x = 12,920,999,998.05
  5. Step 5: Solve for x
    x = 12,920,999,998.05/127,290.23
  6. Step 6: Final answer
    x = 101,508.19

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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.