Home / 141,720.33-195,582.93-78,058.11

Finding the Fourth Proportional to 141,720.33, 195,582.93 and 78,058.11

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Solution

The fourth proportional to 141,720.33, 195,582.93 and 78,058.11 is: 107,725.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,720.33 : 195,582.93 = 78,058.11 : x
  2. Step 2: Convert to fraction form
    141,720.33/195,582.93 = 78,058.11/x
  3. Step 3: Cross multiply
    141,720.33x = 195,582.93 × 78,058.11
  4. Step 4: Simplify right side
    141,720.33x = 15,266,833,864.06
  5. Step 5: Solve for x
    x = 15,266,833,864.06/141,720.33
  6. Step 6: Final answer
    x = 107,725.08

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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.