Home / 113,203.53-169,730.78-63,357.21

Finding the Fourth Proportional to 113,203.53, 169,730.78 and 63,357.21

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Solution

The fourth proportional to 113,203.53, 169,730.78 and 63,357.21 is: 94,994.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,203.53 : 169,730.78 = 63,357.21 : x
  2. Step 2: Convert to fraction form
    113,203.53/169,730.78 = 63,357.21/x
  3. Step 3: Cross multiply
    113,203.53x = 169,730.78 × 63,357.21
  4. Step 4: Simplify right side
    113,203.53x = 10,753,668,355.14
  5. Step 5: Solve for x
    x = 10,753,668,355.14/113,203.53
  6. Step 6: Final answer
    x = 94,994.11

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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.