Home / 150,331.08-207,596.34-112,539.72

Finding the Fourth Proportional to 150,331.08, 207,596.34 and 112,539.72

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Solution

The fourth proportional to 150,331.08, 207,596.34 and 112,539.72 is: 155,409.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,331.08 : 207,596.34 = 112,539.72 : x
  2. Step 2: Convert to fraction form
    150,331.08/207,596.34 = 112,539.72/x
  3. Step 3: Cross multiply
    150,331.08x = 207,596.34 × 112,539.72
  4. Step 4: Simplify right side
    150,331.08x = 23,362,833,976.62
  5. Step 5: Solve for x
    x = 23,362,833,976.62/150,331.08
  6. Step 6: Final answer
    x = 155,409.21

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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.