Home / 157,621.83-236,365.79-57,740.55

Finding the Fourth Proportional to 157,621.83, 236,365.79 and 57,740.55

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Solution

The fourth proportional to 157,621.83, 236,365.79 and 57,740.55 is: 86,586.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,621.83 : 236,365.79 = 57,740.55 : x
  2. Step 2: Convert to fraction form
    157,621.83/236,365.79 = 57,740.55/x
  3. Step 3: Cross multiply
    157,621.83x = 236,365.79 × 57,740.55
  4. Step 4: Simplify right side
    157,621.83x = 13,647,890,427.08
  5. Step 5: Solve for x
    x = 13,647,890,427.08/157,621.83
  6. Step 6: Final answer
    x = 86,586.30

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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.