Home / 134,901.92-186,170.67-77,559.84

Finding the Fourth Proportional to 134,901.92, 186,170.67 and 77,559.84

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Solution

The fourth proportional to 134,901.92, 186,170.67 and 77,559.84 is: 107,036.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,901.92 : 186,170.67 = 77,559.84 : x
  2. Step 2: Convert to fraction form
    134,901.92/186,170.67 = 77,559.84/x
  3. Step 3: Cross multiply
    134,901.92x = 186,170.67 × 77,559.84
  4. Step 4: Simplify right side
    134,901.92x = 14,439,367,377.89
  5. Step 5: Solve for x
    x = 14,439,367,377.89/134,901.92
  6. Step 6: Final answer
    x = 107,036.04

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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.