Home / 157,744.12-217,683.93-89,759.56

Finding the Fourth Proportional to 157,744.12, 217,683.93 and 89,759.56

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Solution

The fourth proportional to 157,744.12, 217,683.93 and 89,759.56 is: 123,866.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,744.12 : 217,683.93 = 89,759.56 : x
  2. Step 2: Convert to fraction form
    157,744.12/217,683.93 = 89,759.56/x
  3. Step 3: Cross multiply
    157,744.12x = 217,683.93 × 89,759.56
  4. Step 4: Simplify right side
    157,744.12x = 19,539,213,775.87
  5. Step 5: Solve for x
    x = 19,539,213,775.87/157,744.12
  6. Step 6: Final answer
    x = 123,866.51

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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.