Home / 157,559.31-217,450.23-89,586.47

Finding the Fourth Proportional to 157,559.31, 217,450.23 and 89,586.47

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Solution

The fourth proportional to 157,559.31, 217,450.23 and 89,586.47 is: 123,639.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,559.31 : 217,450.23 = 89,586.47 : x
  2. Step 2: Convert to fraction form
    157,559.31/217,450.23 = 89,586.47/x
  3. Step 3: Cross multiply
    157,559.31x = 217,450.23 × 89,586.47
  4. Step 4: Simplify right side
    157,559.31x = 19,480,597,419.14
  5. Step 5: Solve for x
    x = 19,480,597,419.14/157,559.31
  6. Step 6: Final answer
    x = 123,639.77

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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.