Home / 280,233.93-386,722.08-152,909.43

Finding the Fourth Proportional to 280,233.93, 386,722.08 and 152,909.43

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Solution

The fourth proportional to 280,233.93, 386,722.08 and 152,909.43 is: 211,014.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,233.93 : 386,722.08 = 152,909.43 : x
  2. Step 2: Convert to fraction form
    280,233.93/386,722.08 = 152,909.43/x
  3. Step 3: Cross multiply
    280,233.93x = 386,722.08 × 152,909.43
  4. Step 4: Simplify right side
    280,233.93x = 59,133,452,821.21
  5. Step 5: Solve for x
    x = 59,133,452,821.21/280,233.93
  6. Step 6: Final answer
    x = 211,014.61

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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.