Home / 131,590.77-197,384.33-31,750.13

Finding the Fourth Proportional to 131,590.77, 197,384.33 and 31,750.13

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Solution

The fourth proportional to 131,590.77, 197,384.33 and 31,750.13 is: 47,624.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,590.77 : 197,384.33 = 31,750.13 : x
  2. Step 2: Convert to fraction form
    131,590.77/197,384.33 = 31,750.13/x
  3. Step 3: Cross multiply
    131,590.77x = 197,384.33 × 31,750.13
  4. Step 4: Simplify right side
    131,590.77x = 6,266,977,485.25
  5. Step 5: Solve for x
    x = 6,266,977,485.25/131,590.77
  6. Step 6: Final answer
    x = 47,624.75

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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.