Home / 157,216.80-235,825.20-109,977.60

Finding the Fourth Proportional to 157,216.80, 235,825.20 and 109,977.60

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Solution

The fourth proportional to 157,216.80, 235,825.20 and 109,977.60 is: 164,966.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,216.80 : 235,825.20 = 109,977.60 : x
  2. Step 2: Convert to fraction form
    157,216.80/235,825.20 = 109,977.60/x
  3. Step 3: Cross multiply
    157,216.80x = 235,825.20 × 109,977.60
  4. Step 4: Simplify right side
    157,216.80x = 25,935,489,515.52
  5. Step 5: Solve for x
    x = 25,935,489,515.52/157,216.80
  6. Step 6: Final answer
    x = 164,966.40

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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.