Home / 279,823.04-386,218.13-177,828.62

Finding the Fourth Proportional to 279,823.04, 386,218.13 and 177,828.62

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Solution

The fourth proportional to 279,823.04, 386,218.13 and 177,828.62 is: 245,443.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,823.04 : 386,218.13 = 177,828.62 : x
  2. Step 2: Convert to fraction form
    279,823.04/386,218.13 = 177,828.62/x
  3. Step 3: Cross multiply
    279,823.04x = 386,218.13 × 177,828.62
  4. Step 4: Simplify right side
    279,823.04x = 68,680,634,256.65
  5. Step 5: Solve for x
    x = 68,680,634,256.65/279,823.04
  6. Step 6: Final answer
    x = 245,443.10

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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.