Home / 150,335.20-207,415.38-86,664.16

Finding the Fourth Proportional to 150,335.20, 207,415.38 and 86,664.16

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Solution

The fourth proportional to 150,335.20, 207,415.38 and 86,664.16 is: 119,569.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,335.20 : 207,415.38 = 86,664.16 : x
  2. Step 2: Convert to fraction form
    150,335.20/207,415.38 = 86,664.16/x
  3. Step 3: Cross multiply
    150,335.20x = 207,415.38 × 86,664.16
  4. Step 4: Simplify right side
    150,335.20x = 17,975,479,678.78
  5. Step 5: Solve for x
    x = 17,975,479,678.78/150,335.20
  6. Step 6: Final answer
    x = 119,569.33

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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.