Home / 239,100.12-358,792.38-120,783.42

Finding the Fourth Proportional to 239,100.12, 358,792.38 and 120,783.42

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Solution

The fourth proportional to 239,100.12, 358,792.38 and 120,783.42 is: 181,246.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,100.12 : 358,792.38 = 120,783.42 : x
  2. Step 2: Convert to fraction form
    239,100.12/358,792.38 = 120,783.42/x
  3. Step 3: Cross multiply
    239,100.12x = 358,792.38 × 120,783.42
  4. Step 4: Simplify right side
    239,100.12x = 43,336,170,726.34
  5. Step 5: Solve for x
    x = 43,336,170,726.34/239,100.12
  6. Step 6: Final answer
    x = 181,246.96

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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.