Home / 160,621.18-221,651.25-92,641

Finding the Fourth Proportional to 160,621.18, 221,651.25 and 92,641

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Solution

The fourth proportional to 160,621.18, 221,651.25 and 92,641 is: 127,841.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,621.18 : 221,651.25 = 92,641 : x
  2. Step 2: Convert to fraction form
    160,621.18/221,651.25 = 92,641/x
  3. Step 3: Cross multiply
    160,621.18x = 221,651.25 × 92,641
  4. Step 4: Simplify right side
    160,621.18x = 20,533,993,451.25
  5. Step 5: Solve for x
    x = 20,533,993,451.25/160,621.18
  6. Step 6: Final answer
    x = 127,841.13

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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.