Home / 148,117.41-221,659.34-121,151.70

Finding the Fourth Proportional to 148,117.41, 221,659.34 and 121,151.70

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Solution

The fourth proportional to 148,117.41, 221,659.34 and 121,151.70 is: 181,304.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,117.41 : 221,659.34 = 121,151.70 : x
  2. Step 2: Convert to fraction form
    148,117.41/221,659.34 = 121,151.70/x
  3. Step 3: Cross multiply
    148,117.41x = 221,659.34 × 121,151.70
  4. Step 4: Simplify right side
    148,117.41x = 26,854,405,256.12
  5. Step 5: Solve for x
    x = 26,854,405,256.12/148,117.41
  6. Step 6: Final answer
    x = 181,304.85

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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.