Home / 249,218.92-343,915.50-229,156.84

Finding the Fourth Proportional to 249,218.92, 343,915.50 and 229,156.84

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Solution

The fourth proportional to 249,218.92, 343,915.50 and 229,156.84 is: 316,230.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,218.92 : 343,915.50 = 229,156.84 : x
  2. Step 2: Convert to fraction form
    249,218.92/343,915.50 = 229,156.84/x
  3. Step 3: Cross multiply
    249,218.92x = 343,915.50 × 229,156.84
  4. Step 4: Simplify right side
    249,218.92x = 78,810,589,207.02
  5. Step 5: Solve for x
    x = 78,810,589,207.02/249,218.92
  6. Step 6: Final answer
    x = 316,230.36

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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.