Home / 121,104.40-181,604.76-38,004.88

Finding the Fourth Proportional to 121,104.40, 181,604.76 and 38,004.88

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Solution

The fourth proportional to 121,104.40, 181,604.76 and 38,004.88 is: 56,991.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,104.40 : 181,604.76 = 38,004.88 : x
  2. Step 2: Convert to fraction form
    121,104.40/181,604.76 = 38,004.88/x
  3. Step 3: Cross multiply
    121,104.40x = 181,604.76 × 38,004.88
  4. Step 4: Simplify right side
    121,104.40x = 6,901,867,111.23
  5. Step 5: Solve for x
    x = 6,901,867,111.23/121,104.40
  6. Step 6: Final answer
    x = 56,991.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.