Home / 160,544.70-221,555.28-91,632.79

Finding the Fourth Proportional to 160,544.70, 221,555.28 and 91,632.79

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Solution

The fourth proportional to 160,544.70, 221,555.28 and 91,632.79 is: 126,455.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,544.70 : 221,555.28 = 91,632.79 : x
  2. Step 2: Convert to fraction form
    160,544.70/221,555.28 = 91,632.79/x
  3. Step 3: Cross multiply
    160,544.70x = 221,555.28 × 91,632.79
  4. Step 4: Simplify right side
    160,544.70x = 20,301,728,445.63
  5. Step 5: Solve for x
    x = 20,301,728,445.63/160,544.70
  6. Step 6: Final answer
    x = 126,455.30

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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.