Home / 160,790.58-221,887.62-89,169.06

Finding the Fourth Proportional to 160,790.58, 221,887.62 and 89,169.06

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Solution

The fourth proportional to 160,790.58, 221,887.62 and 89,169.06 is: 123,051.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,790.58 : 221,887.62 = 89,169.06 : x
  2. Step 2: Convert to fraction form
    160,790.58/221,887.62 = 89,169.06/x
  3. Step 3: Cross multiply
    160,790.58x = 221,887.62 × 89,169.06
  4. Step 4: Simplify right side
    160,790.58x = 19,785,510,501.04
  5. Step 5: Solve for x
    x = 19,785,510,501.04/160,790.58
  6. Step 6: Final answer
    x = 123,051.43

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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.