Home / 325,156.92-487,104.12-239,612.36

Finding the Fourth Proportional to 325,156.92, 487,104.12 and 239,612.36

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Solution

The fourth proportional to 325,156.92, 487,104.12 and 239,612.36 is: 358,953.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,156.92 : 487,104.12 = 239,612.36 : x
  2. Step 2: Convert to fraction form
    325,156.92/487,104.12 = 239,612.36/x
  3. Step 3: Cross multiply
    325,156.92x = 487,104.12 × 239,612.36
  4. Step 4: Simplify right side
    325,156.92x = 116,716,167,758.92
  5. Step 5: Solve for x
    x = 116,716,167,758.92/325,156.92
  6. Step 6: Final answer
    x = 358,953.36

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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.