Home / 129,243.40-193,875.60-35,749.16

Finding the Fourth Proportional to 129,243.40, 193,875.60 and 35,749.16

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Solution

The fourth proportional to 129,243.40, 193,875.60 and 35,749.16 is: 53,626.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,243.40 : 193,875.60 = 35,749.16 : x
  2. Step 2: Convert to fraction form
    129,243.40/193,875.60 = 35,749.16/x
  3. Step 3: Cross multiply
    129,243.40x = 193,875.60 × 35,749.16
  4. Step 4: Simplify right side
    129,243.40x = 6,930,889,844.50
  5. Step 5: Solve for x
    x = 6,930,889,844.50/129,243.40
  6. Step 6: Final answer
    x = 53,626.64

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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.