Home / 158,984.30-219,410.57-91,022.67

Finding the Fourth Proportional to 158,984.30, 219,410.57 and 91,022.67

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Solution

The fourth proportional to 158,984.30, 219,410.57 and 91,022.67 is: 125,618.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,984.30 : 219,410.57 = 91,022.67 : x
  2. Step 2: Convert to fraction form
    158,984.30/219,410.57 = 91,022.67/x
  3. Step 3: Cross multiply
    158,984.30x = 219,410.57 × 91,022.67
  4. Step 4: Simplify right side
    158,984.30x = 19,971,336,135.18
  5. Step 5: Solve for x
    x = 19,971,336,135.18/158,984.30
  6. Step 6: Final answer
    x = 125,618.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.