Home / 106,947.40-160,421.10-73,769.80

Finding the Fourth Proportional to 106,947.40, 160,421.10 and 73,769.80

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Solution

The fourth proportional to 106,947.40, 160,421.10 and 73,769.80 is: 110,654.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,947.40 : 160,421.10 = 73,769.80 : x
  2. Step 2: Convert to fraction form
    106,947.40/160,421.10 = 73,769.80/x
  3. Step 3: Cross multiply
    106,947.40x = 160,421.10 × 73,769.80
  4. Step 4: Simplify right side
    106,947.40x = 11,834,232,462.78
  5. Step 5: Solve for x
    x = 11,834,232,462.78/106,947.40
  6. Step 6: Final answer
    x = 110,654.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.