Home / 302,002.40-453,003.68-88,770.32

Finding the Fourth Proportional to 302,002.40, 453,003.68 and 88,770.32

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Solution

The fourth proportional to 302,002.40, 453,003.68 and 88,770.32 is: 133,155.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,002.40 : 453,003.68 = 88,770.32 : x
  2. Step 2: Convert to fraction form
    302,002.40/453,003.68 = 88,770.32/x
  3. Step 3: Cross multiply
    302,002.40x = 453,003.68 × 88,770.32
  4. Step 4: Simplify right side
    302,002.40x = 40,213,281,634.78
  5. Step 5: Solve for x
    x = 40,213,281,634.78/302,002.40
  6. Step 6: Final answer
    x = 133,155.50

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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.