Home / 157,651.18-217,558.64-101,062.57

Finding the Fourth Proportional to 157,651.18, 217,558.64 and 101,062.57

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Solution

The fourth proportional to 157,651.18, 217,558.64 and 101,062.57 is: 139,466.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,651.18 : 217,558.64 = 101,062.57 : x
  2. Step 2: Convert to fraction form
    157,651.18/217,558.64 = 101,062.57/x
  3. Step 3: Cross multiply
    157,651.18x = 217,558.64 × 101,062.57
  4. Step 4: Simplify right side
    157,651.18x = 21,987,035,284.10
  5. Step 5: Solve for x
    x = 21,987,035,284.10/157,651.18
  6. Step 6: Final answer
    x = 139,466.35

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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.