Home / 280,152.04-386,609.01-152,826.73

Finding the Fourth Proportional to 280,152.04, 386,609.01 and 152,826.73

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Solution

The fourth proportional to 280,152.04, 386,609.01 and 152,826.73 is: 210,900.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,152.04 : 386,609.01 = 152,826.73 : x
  2. Step 2: Convert to fraction form
    280,152.04/386,609.01 = 152,826.73/x
  3. Step 3: Cross multiply
    280,152.04x = 386,609.01 × 152,826.73
  4. Step 4: Simplify right side
    280,152.04x = 59,084,188,853.79
  5. Step 5: Solve for x
    x = 59,084,188,853.79/280,152.04
  6. Step 6: Final answer
    x = 210,900.44

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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.