Home / 175,337.20-263,005.80-57,012.40

Finding the Fourth Proportional to 175,337.20, 263,005.80 and 57,012.40

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Solution

The fourth proportional to 175,337.20, 263,005.80 and 57,012.40 is: 85,518.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,337.20 : 263,005.80 = 57,012.40 : x
  2. Step 2: Convert to fraction form
    175,337.20/263,005.80 = 57,012.40/x
  3. Step 3: Cross multiply
    175,337.20x = 263,005.80 × 57,012.40
  4. Step 4: Simplify right side
    175,337.20x = 14,994,591,871.92
  5. Step 5: Solve for x
    x = 14,994,591,871.92/175,337.20
  6. Step 6: Final answer
    x = 85,518.60

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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.