Home / 160,476.72-221,439.99-88,838.80

Finding the Fourth Proportional to 160,476.72, 221,439.99 and 88,838.80

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Solution

The fourth proportional to 160,476.72, 221,439.99 and 88,838.80 is: 122,587.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,476.72 : 221,439.99 = 88,838.80 : x
  2. Step 2: Convert to fraction form
    160,476.72/221,439.99 = 88,838.80/x
  3. Step 3: Cross multiply
    160,476.72x = 221,439.99 × 88,838.80
  4. Step 4: Simplify right side
    160,476.72x = 19,672,462,983.61
  5. Step 5: Solve for x
    x = 19,672,462,983.61/160,476.72
  6. Step 6: Final answer
    x = 122,587.64

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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.