Home / 324,689.10-487,082.04-100,030.74

Finding the Fourth Proportional to 324,689.10, 487,082.04 and 100,030.74

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Solution

The fourth proportional to 324,689.10, 487,082.04 and 100,030.74 is: 150,061.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,689.10 : 487,082.04 = 100,030.74 : x
  2. Step 2: Convert to fraction form
    324,689.10/487,082.04 = 100,030.74/x
  3. Step 3: Cross multiply
    324,689.10x = 487,082.04 × 100,030.74
  4. Step 4: Simplify right side
    324,689.10x = 48,723,176,901.91
  5. Step 5: Solve for x
    x = 48,723,176,901.91/324,689.10
  6. Step 6: Final answer
    x = 150,061.02

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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.