Home / 141,888.06-195,795.66-79,807.86

Finding the Fourth Proportional to 141,888.06, 195,795.66 and 79,807.86

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Solution

The fourth proportional to 141,888.06, 195,795.66 and 79,807.86 is: 110,129.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,888.06 : 195,795.66 = 79,807.86 : x
  2. Step 2: Convert to fraction form
    141,888.06/195,795.66 = 79,807.86/x
  3. Step 3: Cross multiply
    141,888.06x = 195,795.66 × 79,807.86
  4. Step 4: Simplify right side
    141,888.06x = 15,626,032,621.89
  5. Step 5: Solve for x
    x = 15,626,032,621.89/141,888.06
  6. Step 6: Final answer
    x = 110,129.30

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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.