Home / 302,621.20-453,825.70-89,332.20

Finding the Fourth Proportional to 302,621.20, 453,825.70 and 89,332.20

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Solution

The fourth proportional to 302,621.20, 453,825.70 and 89,332.20 is: 133,966.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,621.20 : 453,825.70 = 89,332.20 : x
  2. Step 2: Convert to fraction form
    302,621.20/453,825.70 = 89,332.20/x
  3. Step 3: Cross multiply
    302,621.20x = 453,825.70 × 89,332.20
  4. Step 4: Simplify right side
    302,621.20x = 40,541,248,197.54
  5. Step 5: Solve for x
    x = 40,541,248,197.54/302,621.20
  6. Step 6: Final answer
    x = 133,966.98

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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.