Home / 280,166.22-386,621.73-152,841.78

Finding the Fourth Proportional to 280,166.22, 386,621.73 and 152,841.78

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Solution

The fourth proportional to 280,166.22, 386,621.73 and 152,841.78 is: 210,917.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,166.22 : 386,621.73 = 152,841.78 : x
  2. Step 2: Convert to fraction form
    280,166.22/386,621.73 = 152,841.78/x
  3. Step 3: Cross multiply
    280,166.22x = 386,621.73 × 152,841.78
  4. Step 4: Simplify right side
    280,166.22x = 59,091,953,399.88
  5. Step 5: Solve for x
    x = 59,091,953,399.88/280,166.22
  6. Step 6: Final answer
    x = 210,917.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.