Home / 157,684.53-217,603.09-86,063.93

Finding the Fourth Proportional to 157,684.53, 217,603.09 and 86,063.93

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Solution

The fourth proportional to 157,684.53, 217,603.09 and 86,063.93 is: 118,767.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,684.53 : 217,603.09 = 86,063.93 : x
  2. Step 2: Convert to fraction form
    157,684.53/217,603.09 = 86,063.93/x
  3. Step 3: Cross multiply
    157,684.53x = 217,603.09 × 86,063.93
  4. Step 4: Simplify right side
    157,684.53x = 18,727,777,105.54
  5. Step 5: Solve for x
    x = 18,727,777,105.54/157,684.53
  6. Step 6: Final answer
    x = 118,767.37

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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.