Home / 190,908.20-286,362.30-106,581.80

Finding the Fourth Proportional to 190,908.20, 286,362.30 and 106,581.80

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Solution

The fourth proportional to 190,908.20, 286,362.30 and 106,581.80 is: 159,872.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,908.20 : 286,362.30 = 106,581.80 : x
  2. Step 2: Convert to fraction form
    190,908.20/286,362.30 = 106,581.80/x
  3. Step 3: Cross multiply
    190,908.20x = 286,362.30 × 106,581.80
  4. Step 4: Simplify right side
    190,908.20x = 30,521,009,386.14
  5. Step 5: Solve for x
    x = 30,521,009,386.14/190,908.20
  6. Step 6: Final answer
    x = 159,872.70

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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.