Home / 110,352.20-165,528.30-57,777.80

Finding the Fourth Proportional to 110,352.20, 165,528.30 and 57,777.80

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Solution

The fourth proportional to 110,352.20, 165,528.30 and 57,777.80 is: 86,666.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,352.20 : 165,528.30 = 57,777.80 : x
  2. Step 2: Convert to fraction form
    110,352.20/165,528.30 = 57,777.80/x
  3. Step 3: Cross multiply
    110,352.20x = 165,528.30 × 57,777.80
  4. Step 4: Simplify right side
    110,352.20x = 9,563,861,011.74
  5. Step 5: Solve for x
    x = 9,563,861,011.74/110,352.20
  6. Step 6: Final answer
    x = 86,666.70

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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.