Home / 157,554.41-217,427.67-85,934.43

Finding the Fourth Proportional to 157,554.41, 217,427.67 and 85,934.43

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Solution

The fourth proportional to 157,554.41, 217,427.67 and 85,934.43 is: 118,590.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,554.41 : 217,427.67 = 85,934.43 : x
  2. Step 2: Convert to fraction form
    157,554.41/217,427.67 = 85,934.43/x
  3. Step 3: Cross multiply
    157,554.41x = 217,427.67 × 85,934.43
  4. Step 4: Simplify right side
    157,554.41x = 18,684,522,887.68
  5. Step 5: Solve for x
    x = 18,684,522,887.68/157,554.41
  6. Step 6: Final answer
    x = 118,590.93

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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.