Home / 131,569.05-197,355.42-42,823.02

Finding the Fourth Proportional to 131,569.05, 197,355.42 and 42,823.02

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Solution

The fourth proportional to 131,569.05, 197,355.42 and 42,823.02 is: 64,235.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,569.05 : 197,355.42 = 42,823.02 : x
  2. Step 2: Convert to fraction form
    131,569.05/197,355.42 = 42,823.02/x
  3. Step 3: Cross multiply
    131,569.05x = 197,355.42 × 42,823.02
  4. Step 4: Simplify right side
    131,569.05x = 8,451,355,097.77
  5. Step 5: Solve for x
    x = 8,451,355,097.77/131,569.05
  6. Step 6: Final answer
    x = 64,235.13

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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.