Home / 157,758.32-217,644.26-97,223.60

Finding the Fourth Proportional to 157,758.32, 217,644.26 and 97,223.60

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Solution

The fourth proportional to 157,758.32, 217,644.26 and 97,223.60 is: 134,130.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,758.32 : 217,644.26 = 97,223.60 : x
  2. Step 2: Convert to fraction form
    157,758.32/217,644.26 = 97,223.60/x
  3. Step 3: Cross multiply
    157,758.32x = 217,644.26 × 97,223.60
  4. Step 4: Simplify right side
    157,758.32x = 21,160,158,476.54
  5. Step 5: Solve for x
    x = 21,160,158,476.54/157,758.32
  6. Step 6: Final answer
    x = 134,130.22

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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.