Home / 150,127.96-207,086.34-99,141.16

Finding the Fourth Proportional to 150,127.96, 207,086.34 and 99,141.16

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Solution

The fourth proportional to 150,127.96, 207,086.34 and 99,141.16 is: 136,755.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,127.96 : 207,086.34 = 99,141.16 : x
  2. Step 2: Convert to fraction form
    150,127.96/207,086.34 = 99,141.16/x
  3. Step 3: Cross multiply
    150,127.96x = 207,086.34 × 99,141.16
  4. Step 4: Simplify right side
    150,127.96x = 20,530,779,967.75
  5. Step 5: Solve for x
    x = 20,530,779,967.75/150,127.96
  6. Step 6: Final answer
    x = 136,755.21

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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.