Home / 127,346.30-175,727.61-73,634.80

Finding the Fourth Proportional to 127,346.30, 175,727.61 and 73,634.80

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Solution

The fourth proportional to 127,346.30, 175,727.61 and 73,634.80 is: 101,610.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,346.30 : 175,727.61 = 73,634.80 : x
  2. Step 2: Convert to fraction form
    127,346.30/175,727.61 = 73,634.80/x
  3. Step 3: Cross multiply
    127,346.30x = 175,727.61 × 73,634.80
  4. Step 4: Simplify right side
    127,346.30x = 12,939,666,170.02
  5. Step 5: Solve for x
    x = 12,939,666,170.02/127,346.30
  6. Step 6: Final answer
    x = 101,610.07

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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.