Home / 141,717.06-195,565.86-81,322.92

Finding the Fourth Proportional to 141,717.06, 195,565.86 and 81,322.92

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Solution

The fourth proportional to 141,717.06, 195,565.86 and 81,322.92 is: 112,223.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,717.06 : 195,565.86 = 81,322.92 : x
  2. Step 2: Convert to fraction form
    141,717.06/195,565.86 = 81,322.92/x
  3. Step 3: Cross multiply
    141,717.06x = 195,565.86 × 81,322.92
  4. Step 4: Simplify right side
    141,717.06x = 15,903,986,787.51
  5. Step 5: Solve for x
    x = 15,903,986,787.51/141,717.06
  6. Step 6: Final answer
    x = 112,223.52

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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.