Home / 356,930.94-535,536.60-157,111.25

Finding the Fourth Proportional to 356,930.94, 535,536.60 and 157,111.25

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Solution

The fourth proportional to 356,930.94, 535,536.60 and 157,111.25 is: 235,728.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,930.94 : 535,536.60 = 157,111.25 : x
  2. Step 2: Convert to fraction form
    356,930.94/535,536.60 = 157,111.25/x
  3. Step 3: Cross multiply
    356,930.94x = 535,536.60 × 157,111.25
  4. Step 4: Simplify right side
    356,930.94x = 84,138,821,969.07
  5. Step 5: Solve for x
    x = 84,138,821,969.07/356,930.94
  6. Step 6: Final answer
    x = 235,728.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.