Home / 160,247.33-221,209.41-99,847.81

Finding the Fourth Proportional to 160,247.33, 221,209.41 and 99,847.81

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Solution

The fourth proportional to 160,247.33, 221,209.41 and 99,847.81 is: 137,832.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,247.33 : 221,209.41 = 99,847.81 : x
  2. Step 2: Convert to fraction form
    160,247.33/221,209.41 = 99,847.81/x
  3. Step 3: Cross multiply
    160,247.33x = 221,209.41 × 99,847.81
  4. Step 4: Simplify right side
    160,247.33x = 22,087,275,139.89
  5. Step 5: Solve for x
    x = 22,087,275,139.89/160,247.33
  6. Step 6: Final answer
    x = 137,832.41

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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.