Home / 141,535.98-195,319.62-77,872.41

Finding the Fourth Proportional to 141,535.98, 195,319.62 and 77,872.41

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Solution

The fourth proportional to 141,535.98, 195,319.62 and 77,872.41 is: 107,463.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,535.98 : 195,319.62 = 77,872.41 : x
  2. Step 2: Convert to fraction form
    141,535.98/195,319.62 = 77,872.41/x
  3. Step 3: Cross multiply
    141,535.98x = 195,319.62 × 77,872.41
  4. Step 4: Simplify right side
    141,535.98x = 15,210,009,529.68
  5. Step 5: Solve for x
    x = 15,210,009,529.68/141,535.98
  6. Step 6: Final answer
    x = 107,463.91

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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.