Home / 141,490.01-195,261.41-77,832.65

Finding the Fourth Proportional to 141,490.01, 195,261.41 and 77,832.65

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Solution

The fourth proportional to 141,490.01, 195,261.41 and 77,832.65 is: 107,411.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,490.01 : 195,261.41 = 77,832.65 : x
  2. Step 2: Convert to fraction form
    141,490.01/195,261.41 = 77,832.65/x
  3. Step 3: Cross multiply
    141,490.01x = 195,261.41 × 77,832.65
  4. Step 4: Simplify right side
    141,490.01x = 15,197,712,983.04
  5. Step 5: Solve for x
    x = 15,197,712,983.04/141,490.01
  6. Step 6: Final answer
    x = 107,411.92

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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.