Home / 188,415.20-282,622.80-48,166.40

Finding the Fourth Proportional to 188,415.20, 282,622.80 and 48,166.40

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Solution

The fourth proportional to 188,415.20, 282,622.80 and 48,166.40 is: 72,249.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,415.20 : 282,622.80 = 48,166.40 : x
  2. Step 2: Convert to fraction form
    188,415.20/282,622.80 = 48,166.40/x
  3. Step 3: Cross multiply
    188,415.20x = 282,622.80 × 48,166.40
  4. Step 4: Simplify right side
    188,415.20x = 13,612,922,833.92
  5. Step 5: Solve for x
    x = 13,612,922,833.92/188,415.20
  6. Step 6: Final answer
    x = 72,249.60

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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.