Home / 127,534.55-175,999.16-73,085.65

Finding the Fourth Proportional to 127,534.55, 175,999.16 and 73,085.65

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Solution

The fourth proportional to 127,534.55, 175,999.16 and 73,085.65 is: 100,859.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,534.55 : 175,999.16 = 73,085.65 : x
  2. Step 2: Convert to fraction form
    127,534.55/175,999.16 = 73,085.65/x
  3. Step 3: Cross multiply
    127,534.55x = 175,999.16 × 73,085.65
  4. Step 4: Simplify right side
    127,534.55x = 12,863,013,008.05
  5. Step 5: Solve for x
    x = 12,863,013,008.05/127,534.55
  6. Step 6: Final answer
    x = 100,859.05

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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.