Home / 141,320.79-195,026.27-77,660.19

Finding the Fourth Proportional to 141,320.79, 195,026.27 and 77,660.19

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Solution

The fourth proportional to 141,320.79, 195,026.27 and 77,660.19 is: 107,173.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,320.79 : 195,026.27 = 77,660.19 : x
  2. Step 2: Convert to fraction form
    141,320.79/195,026.27 = 77,660.19/x
  3. Step 3: Cross multiply
    141,320.79x = 195,026.27 × 77,660.19
  4. Step 4: Simplify right side
    141,320.79x = 15,145,776,794.89
  5. Step 5: Solve for x
    x = 15,145,776,794.89/141,320.79
  6. Step 6: Final answer
    x = 107,173.03

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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.