Home / 386,758.80-579,929.22-150,037.92

Finding the Fourth Proportional to 386,758.80, 579,929.22 and 150,037.92

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Solution

The fourth proportional to 386,758.80, 579,929.22 and 150,037.92 is: 224,975.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,758.80 : 579,929.22 = 150,037.92 : x
  2. Step 2: Convert to fraction form
    386,758.80/579,929.22 = 150,037.92/x
  3. Step 3: Cross multiply
    386,758.80x = 579,929.22 × 150,037.92
  4. Step 4: Simplify right side
    386,758.80x = 87,011,373,916.02
  5. Step 5: Solve for x
    x = 87,011,373,916.02/386,758.80
  6. Step 6: Final answer
    x = 224,975.81

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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.