Home / 147,892.95-204,096.33-90,531.09

Finding the Fourth Proportional to 147,892.95, 204,096.33 and 90,531.09

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Solution

The fourth proportional to 147,892.95, 204,096.33 and 90,531.09 is: 124,935.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,892.95 : 204,096.33 = 90,531.09 : x
  2. Step 2: Convert to fraction form
    147,892.95/204,096.33 = 90,531.09/x
  3. Step 3: Cross multiply
    147,892.95x = 204,096.33 × 90,531.09
  4. Step 4: Simplify right side
    147,892.95x = 18,477,063,219.90
  5. Step 5: Solve for x
    x = 18,477,063,219.90/147,892.95
  6. Step 6: Final answer
    x = 124,935.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.