Home / 147,616.80-221,425.20-118,092.30

Finding the Fourth Proportional to 147,616.80, 221,425.20 and 118,092.30

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Solution

The fourth proportional to 147,616.80, 221,425.20 and 118,092.30 is: 177,138.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,616.80 : 221,425.20 = 118,092.30 : x
  2. Step 2: Convert to fraction form
    147,616.80/221,425.20 = 118,092.30/x
  3. Step 3: Cross multiply
    147,616.80x = 221,425.20 × 118,092.30
  4. Step 4: Simplify right side
    147,616.80x = 26,148,611,145.96
  5. Step 5: Solve for x
    x = 26,148,611,145.96/147,616.80
  6. Step 6: Final answer
    x = 177,138.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.