Home / 190,959.36-286,369.92-91,115.52

Finding the Fourth Proportional to 190,959.36, 286,369.92 and 91,115.52

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Solution

The fourth proportional to 190,959.36, 286,369.92 and 91,115.52 is: 136,640.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,959.36 : 286,369.92 = 91,115.52 : x
  2. Step 2: Convert to fraction form
    190,959.36/286,369.92 = 91,115.52/x
  3. Step 3: Cross multiply
    190,959.36x = 286,369.92 × 91,115.52
  4. Step 4: Simplify right side
    190,959.36x = 26,092,744,173.16
  5. Step 5: Solve for x
    x = 26,092,744,173.16/190,959.36
  6. Step 6: Final answer
    x = 136,640.30

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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.