Home / 148,429.80-222,903.90-143,764.20

Finding the Fourth Proportional to 148,429.80, 222,903.90 and 143,764.20

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Solution

The fourth proportional to 148,429.80, 222,903.90 and 143,764.20 is: 215,897.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,429.80 : 222,903.90 = 143,764.20 : x
  2. Step 2: Convert to fraction form
    148,429.80/222,903.90 = 143,764.20/x
  3. Step 3: Cross multiply
    148,429.80x = 222,903.90 × 143,764.20
  4. Step 4: Simplify right side
    148,429.80x = 32,045,600,860.38
  5. Step 5: Solve for x
    x = 32,045,600,860.38/148,429.80
  6. Step 6: Final answer
    x = 215,897.35

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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.