Home / 130,966.64-196,477.26-42,229.10

Finding the Fourth Proportional to 130,966.64, 196,477.26 and 42,229.10

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Solution

The fourth proportional to 130,966.64, 196,477.26 and 42,229.10 is: 63,352.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,966.64 : 196,477.26 = 42,229.10 : x
  2. Step 2: Convert to fraction form
    130,966.64/196,477.26 = 42,229.10/x
  3. Step 3: Cross multiply
    130,966.64x = 196,477.26 × 42,229.10
  4. Step 4: Simplify right side
    130,966.64x = 8,297,057,860.27
  5. Step 5: Solve for x
    x = 8,297,057,860.27/130,966.64
  6. Step 6: Final answer
    x = 63,352.45

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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.