Home / 148,023.86-204,274.08-81,722.33

Finding the Fourth Proportional to 148,023.86, 204,274.08 and 81,722.33

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Solution

The fourth proportional to 148,023.86, 204,274.08 and 81,722.33 is: 112,777.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,023.86 : 204,274.08 = 81,722.33 : x
  2. Step 2: Convert to fraction form
    148,023.86/204,274.08 = 81,722.33/x
  3. Step 3: Cross multiply
    148,023.86x = 204,274.08 × 81,722.33
  4. Step 4: Simplify right side
    148,023.86x = 16,693,753,776.21
  5. Step 5: Solve for x
    x = 16,693,753,776.21/148,023.86
  6. Step 6: Final answer
    x = 112,777.45

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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.