Home / 150,210.90-207,301.08-86,552.82

Finding the Fourth Proportional to 150,210.90, 207,301.08 and 86,552.82

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Solution

The fourth proportional to 150,210.90, 207,301.08 and 86,552.82 is: 119,448.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,210.90 : 207,301.08 = 86,552.82 : x
  2. Step 2: Convert to fraction form
    150,210.90/207,301.08 = 86,552.82/x
  3. Step 3: Cross multiply
    150,210.90x = 207,301.08 × 86,552.82
  4. Step 4: Simplify right side
    150,210.90x = 17,942,493,063.05
  5. Step 5: Solve for x
    x = 17,942,493,063.05/150,210.90
  6. Step 6: Final answer
    x = 119,448.68

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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.