Home / 150,560.37-207,750.42-86,018.36

Finding the Fourth Proportional to 150,560.37, 207,750.42 and 86,018.36

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Solution

The fourth proportional to 150,560.37, 207,750.42 and 86,018.36 is: 118,692.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,560.37 : 207,750.42 = 86,018.36 : x
  2. Step 2: Convert to fraction form
    150,560.37/207,750.42 = 86,018.36/x
  3. Step 3: Cross multiply
    150,560.37x = 207,750.42 × 86,018.36
  4. Step 4: Simplify right side
    150,560.37x = 17,870,349,378.96
  5. Step 5: Solve for x
    x = 17,870,349,378.96/150,560.37
  6. Step 6: Final answer
    x = 118,692.25

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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.