Home / 175,059.36-262,660.32-81,507.60

Finding the Fourth Proportional to 175,059.36, 262,660.32 and 81,507.60

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Solution

The fourth proportional to 175,059.36, 262,660.32 and 81,507.60 is: 122,294.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,059.36 : 262,660.32 = 81,507.60 : x
  2. Step 2: Convert to fraction form
    175,059.36/262,660.32 = 81,507.60/x
  3. Step 3: Cross multiply
    175,059.36x = 262,660.32 × 81,507.60
  4. Step 4: Simplify right side
    175,059.36x = 21,408,812,298.43
  5. Step 5: Solve for x
    x = 21,408,812,298.43/175,059.36
  6. Step 6: Final answer
    x = 122,294.59

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1.5x scale

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.