Home / 194,288.31-291,432.06-61,180.20

Finding the Fourth Proportional to 194,288.31, 291,432.06 and 61,180.20

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Solution

The fourth proportional to 194,288.31, 291,432.06 and 61,180.20 is: 91,770.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,288.31 : 291,432.06 = 61,180.20 : x
  2. Step 2: Convert to fraction form
    194,288.31/291,432.06 = 61,180.20/x
  3. Step 3: Cross multiply
    194,288.31x = 291,432.06 × 61,180.20
  4. Step 4: Simplify right side
    194,288.31x = 17,829,871,717.21
  5. Step 5: Solve for x
    x = 17,829,871,717.21/194,288.31
  6. Step 6: Final answer
    x = 91,770.17

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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.