Home / 160,618.58-221,653.42-89,003.24

Finding the Fourth Proportional to 160,618.58, 221,653.42 and 89,003.24

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Solution

The fourth proportional to 160,618.58, 221,653.42 and 89,003.24 is: 122,824.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,618.58 : 221,653.42 = 89,003.24 : x
  2. Step 2: Convert to fraction form
    160,618.58/221,653.42 = 89,003.24/x
  3. Step 3: Cross multiply
    160,618.58x = 221,653.42 × 89,003.24
  4. Step 4: Simplify right side
    160,618.58x = 19,727,871,206.31
  5. Step 5: Solve for x
    x = 19,727,871,206.31/160,618.58
  6. Step 6: Final answer
    x = 122,824.34

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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.