Home / 131,856.48-197,790.21-38,362.32

Finding the Fourth Proportional to 131,856.48, 197,790.21 and 38,362.32

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Solution

The fourth proportional to 131,856.48, 197,790.21 and 38,362.32 is: 57,545.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,856.48 : 197,790.21 = 38,362.32 : x
  2. Step 2: Convert to fraction form
    131,856.48/197,790.21 = 38,362.32/x
  3. Step 3: Cross multiply
    131,856.48x = 197,790.21 × 38,362.32
  4. Step 4: Simplify right side
    131,856.48x = 7,587,691,328.89
  5. Step 5: Solve for x
    x = 7,587,691,328.89/131,856.48
  6. Step 6: Final answer
    x = 57,545.08

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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.