Home / 110,928.39-153,078.98-63,180.51

Finding the Fourth Proportional to 110,928.39, 153,078.98 and 63,180.51

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Solution

The fourth proportional to 110,928.39, 153,078.98 and 63,180.51 is: 87,187.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,928.39 : 153,078.98 = 63,180.51 : x
  2. Step 2: Convert to fraction form
    110,928.39/153,078.98 = 63,180.51/x
  3. Step 3: Cross multiply
    110,928.39x = 153,078.98 × 63,180.51
  4. Step 4: Simplify right side
    110,928.39x = 9,671,607,710.78
  5. Step 5: Solve for x
    x = 9,671,607,710.78/110,928.39
  6. Step 6: Final answer
    x = 87,187.85

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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.