Home / 190,994.56-286,098.18-111,868.90

Finding the Fourth Proportional to 190,994.56, 286,098.18 and 111,868.90

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Solution

The fourth proportional to 190,994.56, 286,098.18 and 111,868.90 is: 167,572.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,994.56 : 286,098.18 = 111,868.90 : x
  2. Step 2: Convert to fraction form
    190,994.56/286,098.18 = 111,868.90/x
  3. Step 3: Cross multiply
    190,994.56x = 286,098.18 × 111,868.90
  4. Step 4: Simplify right side
    190,994.56x = 32,005,487,553.85
  5. Step 5: Solve for x
    x = 32,005,487,553.85/190,994.56
  6. Step 6: Final answer
    x = 167,572.77

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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.