Home / 141,440.76-195,182.82-77,774.76

Finding the Fourth Proportional to 141,440.76, 195,182.82 and 77,774.76

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Solution

The fourth proportional to 141,440.76, 195,182.82 and 77,774.76 is: 107,326.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,440.76 : 195,182.82 = 77,774.76 : x
  2. Step 2: Convert to fraction form
    141,440.76/195,182.82 = 77,774.76/x
  3. Step 3: Cross multiply
    141,440.76x = 195,182.82 × 77,774.76
  4. Step 4: Simplify right side
    141,440.76x = 15,180,296,981.62
  5. Step 5: Solve for x
    x = 15,180,296,981.62/141,440.76
  6. Step 6: Final answer
    x = 107,326.18

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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.