Home / 130,968.29-196,453.65-52,102.64

Finding the Fourth Proportional to 130,968.29, 196,453.65 and 52,102.64

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Solution

The fourth proportional to 130,968.29, 196,453.65 and 52,102.64 is: 78,154.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,968.29 : 196,453.65 = 52,102.64 : x
  2. Step 2: Convert to fraction form
    130,968.29/196,453.65 = 52,102.64/x
  3. Step 3: Cross multiply
    130,968.29x = 196,453.65 × 52,102.64
  4. Step 4: Simplify right side
    130,968.29x = 10,235,754,489.16
  5. Step 5: Solve for x
    x = 10,235,754,489.16/130,968.29
  6. Step 6: Final answer
    x = 78,154.45

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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.