Home / 261,743.40-392,615.10-235,171.35

Finding the Fourth Proportional to 261,743.40, 392,615.10 and 235,171.35

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Solution

The fourth proportional to 261,743.40, 392,615.10 and 235,171.35 is: 352,757.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,743.40 : 392,615.10 = 235,171.35 : x
  2. Step 2: Convert to fraction form
    261,743.40/392,615.10 = 235,171.35/x
  3. Step 3: Cross multiply
    261,743.40x = 392,615.10 × 235,171.35
  4. Step 4: Simplify right side
    261,743.40x = 92,331,823,097.39
  5. Step 5: Solve for x
    x = 92,331,823,097.39/261,743.40
  6. Step 6: Final answer
    x = 352,757.03

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.