Home / 124,287.22-186,458.28-45,401.32

Finding the Fourth Proportional to 124,287.22, 186,458.28 and 45,401.32

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Solution

The fourth proportional to 124,287.22, 186,458.28 and 45,401.32 is: 68,112.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,287.22 : 186,458.28 = 45,401.32 : x
  2. Step 2: Convert to fraction form
    124,287.22/186,458.28 = 45,401.32/x
  3. Step 3: Cross multiply
    124,287.22x = 186,458.28 × 45,401.32
  4. Step 4: Simplify right side
    124,287.22x = 8,465,452,036.93
  5. Step 5: Solve for x
    x = 8,465,452,036.93/124,287.22
  6. Step 6: Final answer
    x = 68,112.01

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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.