Home / 121,375.14-181,596.15-73,981.64

Finding the Fourth Proportional to 121,375.14, 181,596.15 and 73,981.64

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Solution

The fourth proportional to 121,375.14, 181,596.15 and 73,981.64 is: 110,688.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,375.14 : 181,596.15 = 73,981.64 : x
  2. Step 2: Convert to fraction form
    121,375.14/181,596.15 = 73,981.64/x
  3. Step 3: Cross multiply
    121,375.14x = 181,596.15 × 73,981.64
  4. Step 4: Simplify right side
    121,375.14x = 13,434,780,086.71
  5. Step 5: Solve for x
    x = 13,434,780,086.71/121,375.14
  6. Step 6: Final answer
    x = 110,688.07

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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.