Home / 193,358.14-289,967.72-66,964.35

Finding the Fourth Proportional to 193,358.14, 289,967.72 and 66,964.35

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Solution

The fourth proportional to 193,358.14, 289,967.72 and 66,964.35 is: 100,422.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,358.14 : 289,967.72 = 66,964.35 : x
  2. Step 2: Convert to fraction form
    193,358.14/289,967.72 = 66,964.35/x
  3. Step 3: Cross multiply
    193,358.14x = 289,967.72 × 66,964.35
  4. Step 4: Simplify right side
    193,358.14x = 19,417,498,761.75
  5. Step 5: Solve for x
    x = 19,417,498,761.75/193,358.14
  6. Step 6: Final answer
    x = 100,422.45

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1.5x scale

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.