Home / 355,258.24-532,872.72-197,386

Finding the Fourth Proportional to 355,258.24, 532,872.72 and 197,386

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Solution

The fourth proportional to 355,258.24, 532,872.72 and 197,386 is: 296,070.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,258.24 : 532,872.72 = 197,386 : x
  2. Step 2: Convert to fraction form
    355,258.24/532,872.72 = 197,386/x
  3. Step 3: Cross multiply
    355,258.24x = 532,872.72 × 197,386
  4. Step 4: Simplify right side
    355,258.24x = 105,181,614,709.92
  5. Step 5: Solve for x
    x = 105,181,614,709.92/355,258.24
  6. Step 6: Final answer
    x = 296,070.87

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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.