Home / 302,919.12-454,432.65-100,527.39

Finding the Fourth Proportional to 302,919.12, 454,432.65 and 100,527.39

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Solution

The fourth proportional to 302,919.12, 454,432.65 and 100,527.39 is: 150,809.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,919.12 : 454,432.65 = 100,527.39 : x
  2. Step 2: Convert to fraction form
    302,919.12/454,432.65 = 100,527.39/x
  3. Step 3: Cross multiply
    302,919.12x = 454,432.65 × 100,527.39
  4. Step 4: Simplify right side
    302,919.12x = 45,682,928,235.28
  5. Step 5: Solve for x
    x = 45,682,928,235.28/302,919.12
  6. Step 6: Final answer
    x = 150,809.00

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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.