Home / 124,151.16-186,225.63-82,218.86

Finding the Fourth Proportional to 124,151.16, 186,225.63 and 82,218.86

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Solution

The fourth proportional to 124,151.16, 186,225.63 and 82,218.86 is: 123,327.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,151.16 : 186,225.63 = 82,218.86 : x
  2. Step 2: Convert to fraction form
    124,151.16/186,225.63 = 82,218.86/x
  3. Step 3: Cross multiply
    124,151.16x = 186,225.63 × 82,218.86
  4. Step 4: Simplify right side
    124,151.16x = 15,311,258,070.25
  5. Step 5: Solve for x
    x = 15,311,258,070.25/124,151.16
  6. Step 6: Final answer
    x = 123,327.55

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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.