Home / 106,513.08-158,897.35-103,617.36

Finding the Fourth Proportional to 106,513.08, 158,897.35 and 103,617.36

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Solution

The fourth proportional to 106,513.08, 158,897.35 and 103,617.36 is: 154,577.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,513.08 : 158,897.35 = 103,617.36 : x
  2. Step 2: Convert to fraction form
    106,513.08/158,897.35 = 103,617.36/x
  3. Step 3: Cross multiply
    106,513.08x = 158,897.35 × 103,617.36
  4. Step 4: Simplify right side
    106,513.08x = 16,464,523,918.00
  5. Step 5: Solve for x
    x = 16,464,523,918.00/106,513.08
  6. Step 6: Final answer
    x = 154,577.48

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.