Home / 131,326.96-196,961.60-37,812.40

Finding the Fourth Proportional to 131,326.96, 196,961.60 and 37,812.40

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Solution

The fourth proportional to 131,326.96, 196,961.60 and 37,812.40 is: 56,710.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,326.96 : 196,961.60 = 37,812.40 : x
  2. Step 2: Convert to fraction form
    131,326.96/196,961.60 = 37,812.40/x
  3. Step 3: Cross multiply
    131,326.96x = 196,961.60 × 37,812.40
  4. Step 4: Simplify right side
    131,326.96x = 7,447,590,803.84
  5. Step 5: Solve for x
    x = 7,447,590,803.84/131,326.96
  6. Step 6: Final answer
    x = 56,710.30

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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.