Home / 134,166.60-201,286.19-45,420.11

Finding the Fourth Proportional to 134,166.60, 201,286.19 and 45,420.11

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Solution

The fourth proportional to 134,166.60, 201,286.19 and 45,420.11 is: 68,142.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,166.60 : 201,286.19 = 45,420.11 : x
  2. Step 2: Convert to fraction form
    134,166.60/201,286.19 = 45,420.11/x
  3. Step 3: Cross multiply
    134,166.60x = 201,286.19 × 45,420.11
  4. Step 4: Simplify right side
    134,166.60x = 9,142,440,331.29
  5. Step 5: Solve for x
    x = 9,142,440,331.29/134,166.60
  6. Step 6: Final answer
    x = 68,142.45

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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.