Home / 131,766.41-197,655.08-38,272.16

Finding the Fourth Proportional to 131,766.41, 197,655.08 and 38,272.16

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Solution

The fourth proportional to 131,766.41, 197,655.08 and 38,272.16 is: 57,409.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,766.41 : 197,655.08 = 38,272.16 : x
  2. Step 2: Convert to fraction form
    131,766.41/197,655.08 = 38,272.16/x
  3. Step 3: Cross multiply
    131,766.41x = 197,655.08 × 38,272.16
  4. Step 4: Simplify right side
    131,766.41x = 7,564,685,666.94
  5. Step 5: Solve for x
    x = 7,564,685,666.94/131,766.41
  6. Step 6: Final answer
    x = 57,409.82

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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.