Home / 157,554.05-217,428.30-85,940.73

Finding the Fourth Proportional to 157,554.05, 217,428.30 and 85,940.73

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Solution

The fourth proportional to 157,554.05, 217,428.30 and 85,940.73 is: 118,600.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,554.05 : 217,428.30 = 85,940.73 : x
  2. Step 2: Convert to fraction form
    157,554.05/217,428.30 = 85,940.73/x
  3. Step 3: Cross multiply
    157,554.05x = 217,428.30 × 85,940.73
  4. Step 4: Simplify right side
    157,554.05x = 18,685,946,824.66
  5. Step 5: Solve for x
    x = 18,685,946,824.66/157,554.05
  6. Step 6: Final answer
    x = 118,600.24

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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.