Home / 213,480.12-320,272.73-150,423.38

Finding the Fourth Proportional to 213,480.12, 320,272.73 and 150,423.38

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Solution

The fourth proportional to 213,480.12, 320,272.73 and 150,423.38 is: 225,672.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,480.12 : 320,272.73 = 150,423.38 : x
  2. Step 2: Convert to fraction form
    213,480.12/320,272.73 = 150,423.38/x
  3. Step 3: Cross multiply
    213,480.12x = 320,272.73 × 150,423.38
  4. Step 4: Simplify right side
    213,480.12x = 48,176,506,826.19
  5. Step 5: Solve for x
    x = 48,176,506,826.19/213,480.12
  6. Step 6: Final answer
    x = 225,672.10

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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.