Home / 124,269.64-186,432.14-45,383.74

Finding the Fourth Proportional to 124,269.64, 186,432.14 and 45,383.74

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Solution

The fourth proportional to 124,269.64, 186,432.14 and 45,383.74 is: 68,085.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,269.64 : 186,432.14 = 45,383.74 : x
  2. Step 2: Convert to fraction form
    124,269.64/186,432.14 = 45,383.74/x
  3. Step 3: Cross multiply
    124,269.64x = 186,432.14 × 45,383.74
  4. Step 4: Simplify right side
    124,269.64x = 8,460,987,542.48
  5. Step 5: Solve for x
    x = 8,460,987,542.48/124,269.64
  6. Step 6: Final answer
    x = 68,085.72

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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.