Home / 280,023.74-386,398.37-171,182.82

Finding the Fourth Proportional to 280,023.74, 386,398.37 and 171,182.82

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Solution

The fourth proportional to 280,023.74, 386,398.37 and 171,182.82 is: 236,211.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,023.74 : 386,398.37 = 171,182.82 : x
  2. Step 2: Convert to fraction form
    280,023.74/386,398.37 = 171,182.82/x
  3. Step 3: Cross multiply
    280,023.74x = 386,398.37 × 171,182.82
  4. Step 4: Simplify right side
    280,023.74x = 66,144,763,047.96
  5. Step 5: Solve for x
    x = 66,144,763,047.96/280,023.74
  6. Step 6: Final answer
    x = 236,211.27

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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.