Home / 302,221.20-453,443.40-124,743.60

Finding the Fourth Proportional to 302,221.20, 453,443.40 and 124,743.60

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Solution

The fourth proportional to 302,221.20, 453,443.40 and 124,743.60 is: 187,161.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,221.20 : 453,443.40 = 124,743.60 : x
  2. Step 2: Convert to fraction form
    302,221.20/453,443.40 = 124,743.60/x
  3. Step 3: Cross multiply
    302,221.20x = 453,443.40 × 124,743.60
  4. Step 4: Simplify right side
    302,221.20x = 56,564,162,112.24
  5. Step 5: Solve for x
    x = 56,564,162,112.24/302,221.20
  6. Step 6: Final answer
    x = 187,161.46

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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.