Home / 302,624.80-453,764.40-124,921.60

Finding the Fourth Proportional to 302,624.80, 453,764.40 and 124,921.60

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Solution

The fourth proportional to 302,624.80, 453,764.40 and 124,921.60 is: 187,311.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,624.80 : 453,764.40 = 124,921.60 : x
  2. Step 2: Convert to fraction form
    302,624.80/453,764.40 = 124,921.60/x
  3. Step 3: Cross multiply
    302,624.80x = 453,764.40 × 124,921.60
  4. Step 4: Simplify right side
    302,624.80x = 56,684,974,871.04
  5. Step 5: Solve for x
    x = 56,684,974,871.04/302,624.80
  6. Step 6: Final answer
    x = 187,311.07

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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.