Home / 112,164.50-154,790.26-61,866.74

Finding the Fourth Proportional to 112,164.50, 154,790.26 and 61,866.74

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Solution

The fourth proportional to 112,164.50, 154,790.26 and 61,866.74 is: 85,377.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,164.50 : 154,790.26 = 61,866.74 : x
  2. Step 2: Convert to fraction form
    112,164.50/154,790.26 = 61,866.74/x
  3. Step 3: Cross multiply
    112,164.50x = 154,790.26 × 61,866.74
  4. Step 4: Simplify right side
    112,164.50x = 9,576,368,769.95
  5. Step 5: Solve for x
    x = 9,576,368,769.95/112,164.50
  6. Step 6: Final answer
    x = 85,377.89

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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.