Home / 302,627.20-453,834.70-89,338.20

Finding the Fourth Proportional to 302,627.20, 453,834.70 and 89,338.20

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Solution

The fourth proportional to 302,627.20, 453,834.70 and 89,338.20 is: 133,975.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,627.20 : 453,834.70 = 89,338.20 : x
  2. Step 2: Convert to fraction form
    302,627.20/453,834.70 = 89,338.20/x
  3. Step 3: Cross multiply
    302,627.20x = 453,834.70 × 89,338.20
  4. Step 4: Simplify right side
    302,627.20x = 40,544,775,195.54
  5. Step 5: Solve for x
    x = 40,544,775,195.54/302,627.20
  6. Step 6: Final answer
    x = 133,975.98

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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.