Home / 157,606.22-217,496.64-101,017.60

Finding the Fourth Proportional to 157,606.22, 217,496.64 and 101,017.60

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Solution

The fourth proportional to 157,606.22, 217,496.64 and 101,017.60 is: 139,404.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,606.22 : 217,496.64 = 101,017.60 : x
  2. Step 2: Convert to fraction form
    157,606.22/217,496.64 = 101,017.60/x
  3. Step 3: Cross multiply
    157,606.22x = 217,496.64 × 101,017.60
  4. Step 4: Simplify right side
    157,606.22x = 21,970,988,580.86
  5. Step 5: Solve for x
    x = 21,970,988,580.86/157,606.22
  6. Step 6: Final answer
    x = 139,404.32

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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.