Home / 148,899.60-223,349.40-143,650.80

Finding the Fourth Proportional to 148,899.60, 223,349.40 and 143,650.80

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Solution

The fourth proportional to 148,899.60, 223,349.40 and 143,650.80 is: 215,476.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,899.60 : 223,349.40 = 143,650.80 : x
  2. Step 2: Convert to fraction form
    148,899.60/223,349.40 = 143,650.80/x
  3. Step 3: Cross multiply
    148,899.60x = 223,349.40 × 143,650.80
  4. Step 4: Simplify right side
    148,899.60x = 32,084,319,989.52
  5. Step 5: Solve for x
    x = 32,084,319,989.52/148,899.60
  6. Step 6: Final answer
    x = 215,476.20

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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.