Home / 280,683.02-387,514.19-182,659.66

Finding the Fourth Proportional to 280,683.02, 387,514.19 and 182,659.66

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Solution

The fourth proportional to 280,683.02, 387,514.19 and 182,659.66 is: 252,182.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,683.02 : 387,514.19 = 182,659.66 : x
  2. Step 2: Convert to fraction form
    280,683.02/387,514.19 = 182,659.66/x
  3. Step 3: Cross multiply
    280,683.02x = 387,514.19 × 182,659.66
  4. Step 4: Simplify right side
    280,683.02x = 70,783,209,678.44
  5. Step 5: Solve for x
    x = 70,783,209,678.44/280,683.02
  6. Step 6: Final answer
    x = 252,182.01

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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.