Home / 124,322.20-186,481.90-74,416.22

Finding the Fourth Proportional to 124,322.20, 186,481.90 and 74,416.22

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Solution

The fourth proportional to 124,322.20, 186,481.90 and 74,416.22 is: 111,623.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,322.20 : 186,481.90 = 74,416.22 : x
  2. Step 2: Convert to fraction form
    124,322.20/186,481.90 = 74,416.22/x
  3. Step 3: Cross multiply
    124,322.20x = 186,481.90 × 74,416.22
  4. Step 4: Simplify right side
    124,322.20x = 13,877,278,096.42
  5. Step 5: Solve for x
    x = 13,877,278,096.42/124,322.20
  6. Step 6: Final answer
    x = 111,623.49

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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.