Home / 134,325.14-201,223.56-78,047.12

Finding the Fourth Proportional to 134,325.14, 201,223.56 and 78,047.12

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Solution

The fourth proportional to 134,325.14, 201,223.56 and 78,047.12 is: 116,917.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,325.14 : 201,223.56 = 78,047.12 : x
  2. Step 2: Convert to fraction form
    134,325.14/201,223.56 = 78,047.12/x
  3. Step 3: Cross multiply
    134,325.14x = 201,223.56 × 78,047.12
  4. Step 4: Simplify right side
    134,325.14x = 15,704,919,334.15
  5. Step 5: Solve for x
    x = 15,704,919,334.15/134,325.14
  6. Step 6: Final answer
    x = 116,917.20

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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.