Home / 175,985.20-263,977.80-57,660.40

Finding the Fourth Proportional to 175,985.20, 263,977.80 and 57,660.40

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Solution

The fourth proportional to 175,985.20, 263,977.80 and 57,660.40 is: 86,490.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,985.20 : 263,977.80 = 57,660.40 : x
  2. Step 2: Convert to fraction form
    175,985.20/263,977.80 = 57,660.40/x
  3. Step 3: Cross multiply
    175,985.20x = 263,977.80 × 57,660.40
  4. Step 4: Simplify right side
    175,985.20x = 15,221,065,539.12
  5. Step 5: Solve for x
    x = 15,221,065,539.12/175,985.20
  6. Step 6: Final answer
    x = 86,490.60

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Similar ratio
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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.