Home / 112,420.20-168,603.30-64,932.60

Finding the Fourth Proportional to 112,420.20, 168,603.30 and 64,932.60

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Solution

The fourth proportional to 112,420.20, 168,603.30 and 64,932.60 is: 97,383.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,420.20 : 168,603.30 = 64,932.60 : x
  2. Step 2: Convert to fraction form
    112,420.20/168,603.30 = 64,932.60/x
  3. Step 3: Cross multiply
    112,420.20x = 168,603.30 × 64,932.60
  4. Step 4: Simplify right side
    112,420.20x = 10,947,850,637.58
  5. Step 5: Solve for x
    x = 10,947,850,637.58/112,420.20
  6. Step 6: Final answer
    x = 97,383.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.