Home / 186,144.02-279,216.08-130,093.61

Finding the Fourth Proportional to 186,144.02, 279,216.08 and 130,093.61

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Solution

The fourth proportional to 186,144.02, 279,216.08 and 130,093.61 is: 195,140.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,144.02 : 279,216.08 = 130,093.61 : x
  2. Step 2: Convert to fraction form
    186,144.02/279,216.08 = 130,093.61/x
  3. Step 3: Cross multiply
    186,144.02x = 279,216.08 × 130,093.61
  4. Step 4: Simplify right side
    186,144.02x = 36,324,227,166.78
  5. Step 5: Solve for x
    x = 36,324,227,166.78/186,144.02
  6. Step 6: Final answer
    x = 195,140.45

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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.