Home / 150,035.70-206,716.95-98,958.30

Finding the Fourth Proportional to 150,035.70, 206,716.95 and 98,958.30

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Solution

The fourth proportional to 150,035.70, 206,716.95 and 98,958.30 is: 136,343.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,035.70 : 206,716.95 = 98,958.30 : x
  2. Step 2: Convert to fraction form
    150,035.70/206,716.95 = 98,958.30/x
  3. Step 3: Cross multiply
    150,035.70x = 206,716.95 × 98,958.30
  4. Step 4: Simplify right side
    150,035.70x = 20,456,357,953.19
  5. Step 5: Solve for x
    x = 20,456,357,953.19/150,035.70
  6. Step 6: Final answer
    x = 136,343.27

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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.