Home / 106,822.49-147,317.48-91,710.32

Finding the Fourth Proportional to 106,822.49, 147,317.48 and 91,710.32

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Solution

The fourth proportional to 106,822.49, 147,317.48 and 91,710.32 is: 126,476.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,822.49 : 147,317.48 = 91,710.32 : x
  2. Step 2: Convert to fraction form
    106,822.49/147,317.48 = 91,710.32/x
  3. Step 3: Cross multiply
    106,822.49x = 147,317.48 × 91,710.32
  4. Step 4: Simplify right side
    106,822.49x = 13,510,532,037.25
  5. Step 5: Solve for x
    x = 13,510,532,037.25/106,822.49
  6. Step 6: Final answer
    x = 126,476.48

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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.