Home / 141,818.01-195,708.89-77,287.27

Finding the Fourth Proportional to 141,818.01, 195,708.89 and 77,287.27

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Solution

The fourth proportional to 141,818.01, 195,708.89 and 77,287.27 is: 106,656.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,818.01 : 195,708.89 = 77,287.27 : x
  2. Step 2: Convert to fraction form
    141,818.01/195,708.89 = 77,287.27/x
  3. Step 3: Cross multiply
    141,818.01x = 195,708.89 × 77,287.27
  4. Step 4: Simplify right side
    141,818.01x = 15,125,805,822.83
  5. Step 5: Solve for x
    x = 15,125,805,822.83/141,818.01
  6. Step 6: Final answer
    x = 106,656.45

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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.