Home / 124,334.90-186,502.35-107,422.10

Finding the Fourth Proportional to 124,334.90, 186,502.35 and 107,422.10

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Solution

The fourth proportional to 124,334.90, 186,502.35 and 107,422.10 is: 161,133.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,334.90 : 186,502.35 = 107,422.10 : x
  2. Step 2: Convert to fraction form
    124,334.90/186,502.35 = 107,422.10/x
  3. Step 3: Cross multiply
    124,334.90x = 186,502.35 × 107,422.10
  4. Step 4: Simplify right side
    124,334.90x = 20,034,474,091.94
  5. Step 5: Solve for x
    x = 20,034,474,091.94/124,334.90
  6. Step 6: Final answer
    x = 161,133.15

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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.