Home / 160,655.90-221,711.04-96,981.39

Finding the Fourth Proportional to 160,655.90, 221,711.04 and 96,981.39

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Solution

The fourth proportional to 160,655.90, 221,711.04 and 96,981.39 is: 133,837.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,655.90 : 221,711.04 = 96,981.39 : x
  2. Step 2: Convert to fraction form
    160,655.90/221,711.04 = 96,981.39/x
  3. Step 3: Cross multiply
    160,655.90x = 221,711.04 × 96,981.39
  4. Step 4: Simplify right side
    160,655.90x = 21,501,844,837.55
  5. Step 5: Solve for x
    x = 21,501,844,837.55/160,655.90
  6. Step 6: Final answer
    x = 133,837.88

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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.