Home / 141,468.12-195,230.13-77,810.04

Finding the Fourth Proportional to 141,468.12, 195,230.13 and 77,810.04

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Solution

The fourth proportional to 141,468.12, 195,230.13 and 77,810.04 is: 107,380.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,468.12 : 195,230.13 = 77,810.04 : x
  2. Step 2: Convert to fraction form
    141,468.12/195,230.13 = 77,810.04/x
  3. Step 3: Cross multiply
    141,468.12x = 195,230.13 × 77,810.04
  4. Step 4: Simplify right side
    141,468.12x = 15,190,864,224.51
  5. Step 5: Solve for x
    x = 15,190,864,224.51/141,468.12
  6. Step 6: Final answer
    x = 107,380.12

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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.