Home / 127,680.45-176,200.23-71,093.04

Finding the Fourth Proportional to 127,680.45, 176,200.23 and 71,093.04

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Solution

The fourth proportional to 127,680.45, 176,200.23 and 71,093.04 is: 98,109.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,680.45 : 176,200.23 = 71,093.04 : x
  2. Step 2: Convert to fraction form
    127,680.45/176,200.23 = 71,093.04/x
  3. Step 3: Cross multiply
    127,680.45x = 176,200.23 × 71,093.04
  4. Step 4: Simplify right side
    127,680.45x = 12,526,609,999.40
  5. Step 5: Solve for x
    x = 12,526,609,999.40/127,680.45
  6. Step 6: Final answer
    x = 98,109.07

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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.