Home / 140,859.04-194,299.12-115,055.08

Finding the Fourth Proportional to 140,859.04, 194,299.12 and 115,055.08

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Solution

The fourth proportional to 140,859.04, 194,299.12 and 115,055.08 is: 158,705.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,859.04 : 194,299.12 = 115,055.08 : x
  2. Step 2: Convert to fraction form
    140,859.04/194,299.12 = 115,055.08/x
  3. Step 3: Cross multiply
    140,859.04x = 194,299.12 × 115,055.08
  4. Step 4: Simplify right side
    140,859.04x = 22,355,100,795.53
  5. Step 5: Solve for x
    x = 22,355,100,795.53/140,859.04
  6. Step 6: Final answer
    x = 158,705.47

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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.