Home / 123,316.11-170,176.82-69,603.39

Finding the Fourth Proportional to 123,316.11, 170,176.82 and 69,603.39

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Solution

The fourth proportional to 123,316.11, 170,176.82 and 69,603.39 is: 96,053.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,316.11 : 170,176.82 = 69,603.39 : x
  2. Step 2: Convert to fraction form
    123,316.11/170,176.82 = 69,603.39/x
  3. Step 3: Cross multiply
    123,316.11x = 170,176.82 × 69,603.39
  4. Step 4: Simplify right side
    123,316.11x = 11,844,883,223.40
  5. Step 5: Solve for x
    x = 11,844,883,223.40/123,316.11
  6. Step 6: Final answer
    x = 96,053.01

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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.