Home / 279,824.04-386,219.51-177,829.62

Finding the Fourth Proportional to 279,824.04, 386,219.51 and 177,829.62

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Solution

The fourth proportional to 279,824.04, 386,219.51 and 177,829.62 is: 245,444.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,824.04 : 386,219.51 = 177,829.62 : x
  2. Step 2: Convert to fraction form
    279,824.04/386,219.51 = 177,829.62/x
  3. Step 3: Cross multiply
    279,824.04x = 386,219.51 × 177,829.62
  4. Step 4: Simplify right side
    279,824.04x = 68,681,268,699.89
  5. Step 5: Solve for x
    x = 68,681,268,699.89/279,824.04
  6. Step 6: Final answer
    x = 245,444.49

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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.