Home / 148,066.65-204,331.32-80,083.68

Finding the Fourth Proportional to 148,066.65, 204,331.32 and 80,083.68

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Solution

The fourth proportional to 148,066.65, 204,331.32 and 80,083.68 is: 110,515.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,066.65 : 204,331.32 = 80,083.68 : x
  2. Step 2: Convert to fraction form
    148,066.65/204,331.32 = 80,083.68/x
  3. Step 3: Cross multiply
    148,066.65x = 204,331.32 × 80,083.68
  4. Step 4: Simplify right side
    148,066.65x = 16,363,604,044.86
  5. Step 5: Solve for x
    x = 16,363,604,044.86/148,066.65
  6. Step 6: Final answer
    x = 110,515.12

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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.