Home / 124,196.81-186,182.88-45,292.55

Finding the Fourth Proportional to 124,196.81, 186,182.88 and 45,292.55

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Solution

The fourth proportional to 124,196.81, 186,182.88 and 45,292.55 is: 67,897.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,196.81 : 186,182.88 = 45,292.55 : x
  2. Step 2: Convert to fraction form
    124,196.81/186,182.88 = 45,292.55/x
  3. Step 3: Cross multiply
    124,196.81x = 186,182.88 × 45,292.55
  4. Step 4: Simplify right side
    124,196.81x = 8,432,696,470.63
  5. Step 5: Solve for x
    x = 8,432,696,470.63/124,196.81
  6. Step 6: Final answer
    x = 67,897.85

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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.