Home / 131,476.50-197,116.34-42,677.01

Finding the Fourth Proportional to 131,476.50, 197,116.34 and 42,677.01

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Solution

The fourth proportional to 131,476.50, 197,116.34 and 42,677.01 is: 63,983.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,476.50 : 197,116.34 = 42,677.01 : x
  2. Step 2: Convert to fraction form
    131,476.50/197,116.34 = 42,677.01/x
  3. Step 3: Cross multiply
    131,476.50x = 197,116.34 × 42,677.01
  4. Step 4: Simplify right side
    131,476.50x = 8,412,335,799.96
  5. Step 5: Solve for x
    x = 8,412,335,799.96/131,476.50
  6. Step 6: Final answer
    x = 63,983.57

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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.