Home / 129,608.12-177,692.71-127,246.16

Finding the Fourth Proportional to 129,608.12, 177,692.71 and 127,246.16

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Solution

The fourth proportional to 129,608.12, 177,692.71 and 127,246.16 is: 174,454.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,608.12 : 177,692.71 = 127,246.16 : x
  2. Step 2: Convert to fraction form
    129,608.12/177,692.71 = 127,246.16/x
  3. Step 3: Cross multiply
    129,608.12x = 177,692.71 × 127,246.16
  4. Step 4: Simplify right side
    129,608.12x = 22,610,715,007.49
  5. Step 5: Solve for x
    x = 22,610,715,007.49/129,608.12
  6. Step 6: Final answer
    x = 174,454.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.