Home / 157,967.36-235,942.24-142,951.20

Finding the Fourth Proportional to 157,967.36, 235,942.24 and 142,951.20

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Solution

The fourth proportional to 157,967.36, 235,942.24 and 142,951.20 is: 213,513.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,967.36 : 235,942.24 = 142,951.20 : x
  2. Step 2: Convert to fraction form
    157,967.36/235,942.24 = 142,951.20/x
  3. Step 3: Cross multiply
    157,967.36x = 235,942.24 × 142,951.20
  4. Step 4: Simplify right side
    157,967.36x = 33,728,226,338.69
  5. Step 5: Solve for x
    x = 33,728,226,338.69/157,967.36
  6. Step 6: Final answer
    x = 213,513.90

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.