Home / 123,926.69-171,019.39-70,222.17

Finding the Fourth Proportional to 123,926.69, 171,019.39 and 70,222.17

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Solution

The fourth proportional to 123,926.69, 171,019.39 and 70,222.17 is: 96,906.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,926.69 : 171,019.39 = 70,222.17 : x
  2. Step 2: Convert to fraction form
    123,926.69/171,019.39 = 70,222.17/x
  3. Step 3: Cross multiply
    123,926.69x = 171,019.39 × 70,222.17
  4. Step 4: Simplify right side
    123,926.69x = 12,009,352,677.88
  5. Step 5: Solve for x
    x = 12,009,352,677.88/123,926.69
  6. Step 6: Final answer
    x = 96,906.91

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1.5x scale

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.