Home / 150,485.48-225,705.18-39,686.12

Finding the Fourth Proportional to 150,485.48, 225,705.18 and 39,686.12

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Solution

The fourth proportional to 150,485.48, 225,705.18 and 39,686.12 is: 59,523.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,485.48 : 225,705.18 = 39,686.12 : x
  2. Step 2: Convert to fraction form
    150,485.48/225,705.18 = 39,686.12/x
  3. Step 3: Cross multiply
    150,485.48x = 225,705.18 × 39,686.12
  4. Step 4: Simplify right side
    150,485.48x = 8,957,362,858.10
  5. Step 5: Solve for x
    x = 8,957,362,858.10/150,485.48
  6. Step 6: Final answer
    x = 59,523.10

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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.