Home / 148,210.80-204,628.68-114,159.12

Finding the Fourth Proportional to 148,210.80, 204,628.68 and 114,159.12

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Solution

The fourth proportional to 148,210.80, 204,628.68 and 114,159.12 is: 157,614.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,210.80 : 204,628.68 = 114,159.12 : x
  2. Step 2: Convert to fraction form
    148,210.80/204,628.68 = 114,159.12/x
  3. Step 3: Cross multiply
    148,210.80x = 204,628.68 × 114,159.12
  4. Step 4: Simplify right side
    148,210.80x = 23,360,230,035.56
  5. Step 5: Solve for x
    x = 23,360,230,035.56/148,210.80
  6. Step 6: Final answer
    x = 157,614.90

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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.