Home / 157,556.14-217,424.96-85,934.62

Finding the Fourth Proportional to 157,556.14, 217,424.96 and 85,934.62

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Solution

The fourth proportional to 157,556.14, 217,424.96 and 85,934.62 is: 118,588.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,556.14 : 217,424.96 = 85,934.62 : x
  2. Step 2: Convert to fraction form
    157,556.14/217,424.96 = 85,934.62/x
  3. Step 3: Cross multiply
    157,556.14x = 217,424.96 × 85,934.62
  4. Step 4: Simplify right side
    157,556.14x = 18,684,331,480.48
  5. Step 5: Solve for x
    x = 18,684,331,480.48/157,556.14
  6. Step 6: Final answer
    x = 118,588.41

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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.