Home / 150,521.36-207,725.84-86,001.22

Finding the Fourth Proportional to 150,521.36, 207,725.84 and 86,001.22

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Solution

The fourth proportional to 150,521.36, 207,725.84 and 86,001.22 is: 118,685.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,521.36 : 207,725.84 = 86,001.22 : x
  2. Step 2: Convert to fraction form
    150,521.36/207,725.84 = 86,001.22/x
  3. Step 3: Cross multiply
    150,521.36x = 207,725.84 × 86,001.22
  4. Step 4: Simplify right side
    150,521.36x = 17,864,675,665.52
  5. Step 5: Solve for x
    x = 17,864,675,665.52/150,521.36
  6. Step 6: Final answer
    x = 118,685.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.