Home / 160,321.02-221,249.52-88,699.88

Finding the Fourth Proportional to 160,321.02, 221,249.52 and 88,699.88

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Solution

The fourth proportional to 160,321.02, 221,249.52 and 88,699.88 is: 122,409.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,321.02 : 221,249.52 = 88,699.88 : x
  2. Step 2: Convert to fraction form
    160,321.02/221,249.52 = 88,699.88/x
  3. Step 3: Cross multiply
    160,321.02x = 221,249.52 × 88,699.88
  4. Step 4: Simplify right side
    160,321.02x = 19,624,805,874.06
  5. Step 5: Solve for x
    x = 19,624,805,874.06/160,321.02
  6. Step 6: Final answer
    x = 122,409.44

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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.