Home / 124,143.63-186,290.16-45,264.61

Finding the Fourth Proportional to 124,143.63, 186,290.16 and 45,264.61

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Solution

The fourth proportional to 124,143.63, 186,290.16 and 45,264.61 is: 67,924.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,143.63 : 186,290.16 = 45,264.61 : x
  2. Step 2: Convert to fraction form
    124,143.63/186,290.16 = 45,264.61/x
  3. Step 3: Cross multiply
    124,143.63x = 186,290.16 × 45,264.61
  4. Step 4: Simplify right side
    124,143.63x = 8,432,351,439.24
  5. Step 5: Solve for x
    x = 8,432,351,439.24/124,143.63
  6. Step 6: Final answer
    x = 67,924.16

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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.