Home / 279,828.06-386,151.48-152,500.92

Finding the Fourth Proportional to 279,828.06, 386,151.48 and 152,500.92

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Solution

The fourth proportional to 279,828.06, 386,151.48 and 152,500.92 is: 210,445.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,828.06 : 386,151.48 = 152,500.92 : x
  2. Step 2: Convert to fraction form
    279,828.06/386,151.48 = 152,500.92/x
  3. Step 3: Cross multiply
    279,828.06x = 386,151.48 × 152,500.92
  4. Step 4: Simplify right side
    279,828.06x = 58,888,455,959.36
  5. Step 5: Solve for x
    x = 58,888,455,959.36/279,828.06
  6. Step 6: Final answer
    x = 210,445.14

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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.