Home / 159,022.34-238,533.66-74,720.68

Finding the Fourth Proportional to 159,022.34, 238,533.66 and 74,720.68

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Solution

The fourth proportional to 159,022.34, 238,533.66 and 74,720.68 is: 112,081.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,022.34 : 238,533.66 = 74,720.68 : x
  2. Step 2: Convert to fraction form
    159,022.34/238,533.66 = 74,720.68/x
  3. Step 3: Cross multiply
    159,022.34x = 238,533.66 × 74,720.68
  4. Step 4: Simplify right side
    159,022.34x = 17,823,396,681.75
  5. Step 5: Solve for x
    x = 17,823,396,681.75/159,022.34
  6. Step 6: Final answer
    x = 112,081.09

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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.