Home / 279,431.50-386,007.60-249,207.16

Finding the Fourth Proportional to 279,431.50, 386,007.60 and 249,207.16

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Solution

The fourth proportional to 279,431.50, 386,007.60 and 249,207.16 is: 344,255.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,431.50 : 386,007.60 = 249,207.16 : x
  2. Step 2: Convert to fraction form
    279,431.50/386,007.60 = 249,207.16/x
  3. Step 3: Cross multiply
    279,431.50x = 386,007.60 × 249,207.16
  4. Step 4: Simplify right side
    279,431.50x = 96,195,857,734.42
  5. Step 5: Solve for x
    x = 96,195,857,734.42/279,431.50
  6. Step 6: Final answer
    x = 344,255.60

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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.