Home / 141,117.65-194,707.95-79,865.26

Finding the Fourth Proportional to 141,117.65, 194,707.95 and 79,865.26

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Solution

The fourth proportional to 141,117.65, 194,707.95 and 79,865.26 is: 110,194.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,117.65 : 194,707.95 = 79,865.26 : x
  2. Step 2: Convert to fraction form
    141,117.65/194,707.95 = 79,865.26/x
  3. Step 3: Cross multiply
    141,117.65x = 194,707.95 × 79,865.26
  4. Step 4: Simplify right side
    141,117.65x = 15,550,401,050.82
  5. Step 5: Solve for x
    x = 15,550,401,050.82/141,117.65
  6. Step 6: Final answer
    x = 110,194.59

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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.