Home / 160,602.04-221,621.55-88,977.79

Finding the Fourth Proportional to 160,602.04, 221,621.55 and 88,977.79

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Solution

The fourth proportional to 160,602.04, 221,621.55 and 88,977.79 is: 122,784.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,602.04 : 221,621.55 = 88,977.79 : x
  2. Step 2: Convert to fraction form
    160,602.04/221,621.55 = 88,977.79/x
  3. Step 3: Cross multiply
    160,602.04x = 221,621.55 × 88,977.79
  4. Step 4: Simplify right side
    160,602.04x = 19,719,394,627.27
  5. Step 5: Solve for x
    x = 19,719,394,627.27/160,602.04
  6. Step 6: Final answer
    x = 122,784.21

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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.