Home / 141,504.77-195,304.47-81,115.93

Finding the Fourth Proportional to 141,504.77, 195,304.47 and 81,115.93

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Solution

The fourth proportional to 141,504.77, 195,304.47 and 81,115.93 is: 111,955.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,504.77 : 195,304.47 = 81,115.93 : x
  2. Step 2: Convert to fraction form
    141,504.77/195,304.47 = 81,115.93/x
  3. Step 3: Cross multiply
    141,504.77x = 195,304.47 × 81,115.93
  4. Step 4: Simplify right side
    141,504.77x = 15,842,303,657.15
  5. Step 5: Solve for x
    x = 15,842,303,657.15/141,504.77
  6. Step 6: Final answer
    x = 111,955.97

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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.