Home / 134,517.70-185,605.99-77,152.69

Finding the Fourth Proportional to 134,517.70, 185,605.99 and 77,152.69

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Solution

The fourth proportional to 134,517.70, 185,605.99 and 77,152.69 is: 106,454.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,517.70 : 185,605.99 = 77,152.69 : x
  2. Step 2: Convert to fraction form
    134,517.70/185,605.99 = 77,152.69/x
  3. Step 3: Cross multiply
    134,517.70x = 185,605.99 × 77,152.69
  4. Step 4: Simplify right side
    134,517.70x = 14,320,001,408.61
  5. Step 5: Solve for x
    x = 14,320,001,408.61/134,517.70
  6. Step 6: Final answer
    x = 106,454.40

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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.