Home / 149,569.62-206,441.51-85,944.33

Finding the Fourth Proportional to 149,569.62, 206,441.51 and 85,944.33

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Solution

The fourth proportional to 149,569.62, 206,441.51 and 85,944.33 is: 118,623.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,569.62 : 206,441.51 = 85,944.33 : x
  2. Step 2: Convert to fraction form
    149,569.62/206,441.51 = 85,944.33/x
  3. Step 3: Cross multiply
    149,569.62x = 206,441.51 × 85,944.33
  4. Step 4: Simplify right side
    149,569.62x = 17,742,476,831.42
  5. Step 5: Solve for x
    x = 17,742,476,831.42/149,569.62
  6. Step 6: Final answer
    x = 118,623.53

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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.