Home / 303,948.20-455,922.30-82,332.20

Finding the Fourth Proportional to 303,948.20, 455,922.30 and 82,332.20

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Solution

The fourth proportional to 303,948.20, 455,922.30 and 82,332.20 is: 123,498.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,948.20 : 455,922.30 = 82,332.20 : x
  2. Step 2: Convert to fraction form
    303,948.20/455,922.30 = 82,332.20/x
  3. Step 3: Cross multiply
    303,948.20x = 455,922.30 × 82,332.20
  4. Step 4: Simplify right side
    303,948.20x = 37,537,085,988.06
  5. Step 5: Solve for x
    x = 37,537,085,988.06/303,948.20
  6. Step 6: Final answer
    x = 123,498.30

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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.