Home / 170,927.70-256,622.40-99,923.10

Finding the Fourth Proportional to 170,927.70, 256,622.40 and 99,923.10

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Solution

The fourth proportional to 170,927.70, 256,622.40 and 99,923.10 is: 150,019.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,927.70 : 256,622.40 = 99,923.10 : x
  2. Step 2: Convert to fraction form
    170,927.70/256,622.40 = 99,923.10/x
  3. Step 3: Cross multiply
    170,927.70x = 256,622.40 × 99,923.10
  4. Step 4: Simplify right side
    170,927.70x = 25,642,505,737.44
  5. Step 5: Solve for x
    x = 25,642,505,737.44/170,927.70
  6. Step 6: Final answer
    x = 150,019.60

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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.