Home / 279,433.50-386,010.36-249,209.16

Finding the Fourth Proportional to 279,433.50, 386,010.36 and 249,209.16

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Solution

The fourth proportional to 279,433.50, 386,010.36 and 249,209.16 is: 344,258.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,433.50 : 386,010.36 = 249,209.16 : x
  2. Step 2: Convert to fraction form
    279,433.50/386,010.36 = 249,209.16/x
  3. Step 3: Cross multiply
    279,433.50x = 386,010.36 × 249,209.16
  4. Step 4: Simplify right side
    279,433.50x = 96,197,317,566.90
  5. Step 5: Solve for x
    x = 96,197,317,566.90/279,433.50
  6. Step 6: Final answer
    x = 344,258.36

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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.