Home / 280,095.62-386,537.20-152,775.77

Finding the Fourth Proportional to 280,095.62, 386,537.20 and 152,775.77

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Solution

The fourth proportional to 280,095.62, 386,537.20 and 152,775.77 is: 210,833.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,095.62 : 386,537.20 = 152,775.77 : x
  2. Step 2: Convert to fraction form
    280,095.62/386,537.20 = 152,775.77/x
  3. Step 3: Cross multiply
    280,095.62x = 386,537.20 × 152,775.77
  4. Step 4: Simplify right side
    280,095.62x = 59,053,516,049.02
  5. Step 5: Solve for x
    x = 59,053,516,049.02/280,095.62
  6. Step 6: Final answer
    x = 210,833.42

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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.