Home / 127,659.16-176,177.34-73,961.08

Finding the Fourth Proportional to 127,659.16, 176,177.34 and 73,961.08

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Solution

The fourth proportional to 127,659.16, 176,177.34 and 73,961.08 is: 102,070.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,659.16 : 176,177.34 = 73,961.08 : x
  2. Step 2: Convert to fraction form
    127,659.16/176,177.34 = 73,961.08/x
  3. Step 3: Cross multiply
    127,659.16x = 176,177.34 × 73,961.08
  4. Step 4: Simplify right side
    127,659.16x = 13,030,266,337.93
  5. Step 5: Solve for x
    x = 13,030,266,337.93/127,659.16
  6. Step 6: Final answer
    x = 102,070.75

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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.