Home / 239,110.88-358,666.24-79,143.84

Finding the Fourth Proportional to 239,110.88, 358,666.24 and 79,143.84

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Solution

The fourth proportional to 239,110.88, 358,666.24 and 79,143.84 is: 118,715.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,110.88 : 358,666.24 = 79,143.84 : x
  2. Step 2: Convert to fraction form
    239,110.88/358,666.24 = 79,143.84/x
  3. Step 3: Cross multiply
    239,110.88x = 358,666.24 × 79,143.84
  4. Step 4: Simplify right side
    239,110.88x = 28,386,223,511.96
  5. Step 5: Solve for x
    x = 28,386,223,511.96/239,110.88
  6. Step 6: Final answer
    x = 118,715.73

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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.