Home / 126,123.74-174,049.60-69,535.10

Finding the Fourth Proportional to 126,123.74, 174,049.60 and 69,535.10

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Solution

The fourth proportional to 126,123.74, 174,049.60 and 69,535.10 is: 95,957.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,123.74 : 174,049.60 = 69,535.10 : x
  2. Step 2: Convert to fraction form
    126,123.74/174,049.60 = 69,535.10/x
  3. Step 3: Cross multiply
    126,123.74x = 174,049.60 × 69,535.10
  4. Step 4: Simplify right side
    126,123.74x = 12,102,556,340.96
  5. Step 5: Solve for x
    x = 12,102,556,340.96/126,123.74
  6. Step 6: Final answer
    x = 95,957.80

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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.