Home / 141,527.52-195,306.54-77,865.36

Finding the Fourth Proportional to 141,527.52, 195,306.54 and 77,865.36

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Solution

The fourth proportional to 141,527.52, 195,306.54 and 77,865.36 is: 107,453.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,527.52 : 195,306.54 = 77,865.36 : x
  2. Step 2: Convert to fraction form
    141,527.52/195,306.54 = 77,865.36/x
  3. Step 3: Cross multiply
    141,527.52x = 195,306.54 × 77,865.36
  4. Step 4: Simplify right side
    141,527.52x = 15,207,614,047.45
  5. Step 5: Solve for x
    x = 15,207,614,047.45/141,527.52
  6. Step 6: Final answer
    x = 107,453.41

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1.5x scale

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.