Home / 146,938.74-202,775.40-79,870.74

Finding the Fourth Proportional to 146,938.74, 202,775.40 and 79,870.74

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Solution

The fourth proportional to 146,938.74, 202,775.40 and 79,870.74 is: 110,221.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,938.74 : 202,775.40 = 79,870.74 : x
  2. Step 2: Convert to fraction form
    146,938.74/202,775.40 = 79,870.74/x
  3. Step 3: Cross multiply
    146,938.74x = 202,775.40 × 79,870.74
  4. Step 4: Simplify right side
    146,938.74x = 16,195,821,251.80
  5. Step 5: Solve for x
    x = 16,195,821,251.80/146,938.74
  6. Step 6: Final answer
    x = 110,221.59

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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.