Home / 190,177.28-285,182.72-90,366.08

Finding the Fourth Proportional to 190,177.28, 285,182.72 and 90,366.08

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Solution

The fourth proportional to 190,177.28, 285,182.72 and 90,366.08 is: 135,509.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,177.28 : 285,182.72 = 90,366.08 : x
  2. Step 2: Convert to fraction form
    190,177.28/285,182.72 = 90,366.08/x
  3. Step 3: Cross multiply
    190,177.28x = 285,182.72 × 90,366.08
  4. Step 4: Simplify right side
    190,177.28x = 25,770,844,490.14
  5. Step 5: Solve for x
    x = 25,770,844,490.14/190,177.28
  6. Step 6: Final answer
    x = 135,509.59

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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.