Home / 141,598.48-195,401.82-77,934.91

Finding the Fourth Proportional to 141,598.48, 195,401.82 and 77,934.91

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Solution

The fourth proportional to 141,598.48, 195,401.82 and 77,934.91 is: 107,547.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,598.48 : 195,401.82 = 77,934.91 : x
  2. Step 2: Convert to fraction form
    141,598.48/195,401.82 = 77,934.91/x
  3. Step 3: Cross multiply
    141,598.48x = 195,401.82 × 77,934.91
  4. Step 4: Simplify right side
    141,598.48x = 15,228,623,255.54
  5. Step 5: Solve for x
    x = 15,228,623,255.54/141,598.48
  6. Step 6: Final answer
    x = 107,547.93

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1.5x scale

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.