Home / 112,202.96-168,303.96-45,642.53

Finding the Fourth Proportional to 112,202.96, 168,303.96 and 45,642.53

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Solution

The fourth proportional to 112,202.96, 168,303.96 and 45,642.53 is: 68,463.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,202.96 : 168,303.96 = 45,642.53 : x
  2. Step 2: Convert to fraction form
    112,202.96/168,303.96 = 45,642.53/x
  3. Step 3: Cross multiply
    112,202.96x = 168,303.96 × 45,642.53
  4. Step 4: Simplify right side
    112,202.96x = 7,681,818,964.18
  5. Step 5: Solve for x
    x = 7,681,818,964.18/112,202.96
  6. Step 6: Final answer
    x = 68,463.61

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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.