Home / 190,129.13-285,474.05-106,053.56

Finding the Fourth Proportional to 190,129.13, 285,474.05 and 106,053.56

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Solution

The fourth proportional to 190,129.13, 285,474.05 and 106,053.56 is: 159,236.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,129.13 : 285,474.05 = 106,053.56 : x
  2. Step 2: Convert to fraction form
    190,129.13/285,474.05 = 106,053.56/x
  3. Step 3: Cross multiply
    190,129.13x = 285,474.05 × 106,053.56
  4. Step 4: Simplify right side
    190,129.13x = 30,275,537,332.48
  5. Step 5: Solve for x
    x = 30,275,537,332.48/190,129.13
  6. Step 6: Final answer
    x = 159,236.72

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1.5x scale

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.