Home / 195,923.18-270,123.70-126,890.68

Finding the Fourth Proportional to 195,923.18, 270,123.70 and 126,890.68

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Solution

The fourth proportional to 195,923.18, 270,123.70 and 126,890.68 is: 174,947.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,923.18 : 270,123.70 = 126,890.68 : x
  2. Step 2: Convert to fraction form
    195,923.18/270,123.70 = 126,890.68/x
  3. Step 3: Cross multiply
    195,923.18x = 270,123.70 × 126,890.68
  4. Step 4: Simplify right side
    195,923.18x = 34,276,178,984.58
  5. Step 5: Solve for x
    x = 34,276,178,984.58/195,923.18
  6. Step 6: Final answer
    x = 174,947.03

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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.