Home / 157,414.04-217,231.54-85,794.12

Finding the Fourth Proportional to 157,414.04, 217,231.54 and 85,794.12

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Solution

The fourth proportional to 157,414.04, 217,231.54 and 85,794.12 is: 118,395.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,414.04 : 217,231.54 = 85,794.12 : x
  2. Step 2: Convert to fraction form
    157,414.04/217,231.54 = 85,794.12/x
  3. Step 3: Cross multiply
    157,414.04x = 217,231.54 × 85,794.12
  4. Step 4: Simplify right side
    157,414.04x = 18,637,188,810.54
  5. Step 5: Solve for x
    x = 18,637,188,810.54/157,414.04
  6. Step 6: Final answer
    x = 118,395.98

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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.