Home / 119,855.20-179,739.60-60,671.20

Finding the Fourth Proportional to 119,855.20, 179,739.60 and 60,671.20

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Solution

The fourth proportional to 119,855.20, 179,739.60 and 60,671.20 is: 90,984.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,855.20 : 179,739.60 = 60,671.20 : x
  2. Step 2: Convert to fraction form
    119,855.20/179,739.60 = 60,671.20/x
  3. Step 3: Cross multiply
    119,855.20x = 179,739.60 × 60,671.20
  4. Step 4: Simplify right side
    119,855.20x = 10,905,017,219.52
  5. Step 5: Solve for x
    x = 10,905,017,219.52/119,855.20
  6. Step 6: Final answer
    x = 90,984.93

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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.