Home / 141,849.36-195,744.06-81,407.16

Finding the Fourth Proportional to 141,849.36, 195,744.06 and 81,407.16

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Solution

The fourth proportional to 141,849.36, 195,744.06 and 81,407.16 is: 112,337.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,849.36 : 195,744.06 = 81,407.16 : x
  2. Step 2: Convert to fraction form
    141,849.36/195,744.06 = 81,407.16/x
  3. Step 3: Cross multiply
    141,849.36x = 195,744.06 × 81,407.16
  4. Step 4: Simplify right side
    141,849.36x = 15,934,968,011.47
  5. Step 5: Solve for x
    x = 15,934,968,011.47/141,849.36
  6. Step 6: Final answer
    x = 112,337.26

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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.