Home / 302,440.20-453,530.70-124,888.20

Finding the Fourth Proportional to 302,440.20, 453,530.70 and 124,888.20

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Solution

The fourth proportional to 302,440.20, 453,530.70 and 124,888.20 is: 187,278.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,440.20 : 453,530.70 = 124,888.20 : x
  2. Step 2: Convert to fraction form
    302,440.20/453,530.70 = 124,888.20/x
  3. Step 3: Cross multiply
    302,440.20x = 453,530.70 × 124,888.20
  4. Step 4: Simplify right side
    302,440.20x = 56,640,632,767.74
  5. Step 5: Solve for x
    x = 56,640,632,767.74/302,440.20
  6. Step 6: Final answer
    x = 187,278.78

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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.