Home / 185,403.28-255,840.78-104,819.62

Finding the Fourth Proportional to 185,403.28, 255,840.78 and 104,819.62

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Solution

The fourth proportional to 185,403.28, 255,840.78 and 104,819.62 is: 144,642.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,403.28 : 255,840.78 = 104,819.62 : x
  2. Step 2: Convert to fraction form
    185,403.28/255,840.78 = 104,819.62/x
  3. Step 3: Cross multiply
    185,403.28x = 255,840.78 × 104,819.62
  4. Step 4: Simplify right side
    185,403.28x = 26,817,133,340.10
  5. Step 5: Solve for x
    x = 26,817,133,340.10/185,403.28
  6. Step 6: Final answer
    x = 144,642.17

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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.