Home / 160,145.07-220,990.59-88,520.82

Finding the Fourth Proportional to 160,145.07, 220,990.59 and 88,520.82

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Solution

The fourth proportional to 160,145.07, 220,990.59 and 88,520.82 is: 122,153.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,145.07 : 220,990.59 = 88,520.82 : x
  2. Step 2: Convert to fraction form
    160,145.07/220,990.59 = 88,520.82/x
  3. Step 3: Cross multiply
    160,145.07x = 220,990.59 × 88,520.82
  4. Step 4: Simplify right side
    160,145.07x = 19,562,268,239.08
  5. Step 5: Solve for x
    x = 19,562,268,239.08/160,145.07
  6. Step 6: Final answer
    x = 122,153.42

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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.