Home / 131,895.10-197,927.70-72,773.20

Finding the Fourth Proportional to 131,895.10, 197,927.70 and 72,773.20

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Solution

The fourth proportional to 131,895.10, 197,927.70 and 72,773.20 is: 109,206.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,895.10 : 197,927.70 = 72,773.20 : x
  2. Step 2: Convert to fraction form
    131,895.10/197,927.70 = 72,773.20/x
  3. Step 3: Cross multiply
    131,895.10x = 197,927.70 × 72,773.20
  4. Step 4: Simplify right side
    131,895.10x = 14,403,832,097.64
  5. Step 5: Solve for x
    x = 14,403,832,097.64/131,895.10
  6. Step 6: Final answer
    x = 109,206.73

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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.