Home / 302,031.20-453,046.80-202,498.40

Finding the Fourth Proportional to 302,031.20, 453,046.80 and 202,498.40

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Solution

The fourth proportional to 302,031.20, 453,046.80 and 202,498.40 is: 303,747.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,031.20 : 453,046.80 = 202,498.40 : x
  2. Step 2: Convert to fraction form
    302,031.20/453,046.80 = 202,498.40/x
  3. Step 3: Cross multiply
    302,031.20x = 453,046.80 × 202,498.40
  4. Step 4: Simplify right side
    302,031.20x = 91,741,252,125.12
  5. Step 5: Solve for x
    x = 91,741,252,125.12/302,031.20
  6. Step 6: Final answer
    x = 303,747.60

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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.