Home / 302,422.20-453,806.10-115,567.80

Finding the Fourth Proportional to 302,422.20, 453,806.10 and 115,567.80

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Solution

The fourth proportional to 302,422.20, 453,806.10 and 115,567.80 is: 173,417.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,422.20 : 453,806.10 = 115,567.80 : x
  2. Step 2: Convert to fraction form
    302,422.20/453,806.10 = 115,567.80/x
  3. Step 3: Cross multiply
    302,422.20x = 453,806.10 × 115,567.80
  4. Step 4: Simplify right side
    302,422.20x = 52,445,372,603.58
  5. Step 5: Solve for x
    x = 52,445,372,603.58/302,422.20
  6. Step 6: Final answer
    x = 173,417.73

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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.