Home / 141,182.40-194,831.12-77,518.56

Finding the Fourth Proportional to 141,182.40, 194,831.12 and 77,518.56

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Solution

The fourth proportional to 141,182.40, 194,831.12 and 77,518.56 is: 106,975.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,182.40 : 194,831.12 = 77,518.56 : x
  2. Step 2: Convert to fraction form
    141,182.40/194,831.12 = 77,518.56/x
  3. Step 3: Cross multiply
    141,182.40x = 194,831.12 × 77,518.56
  4. Step 4: Simplify right side
    141,182.40x = 15,103,027,865.59
  5. Step 5: Solve for x
    x = 15,103,027,865.59/141,182.40
  6. Step 6: Final answer
    x = 106,975.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.