Home / 314,753.12-434,353.92-171,514.40

Finding the Fourth Proportional to 314,753.12, 434,353.92 and 171,514.40

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Solution

The fourth proportional to 314,753.12, 434,353.92 and 171,514.40 is: 236,686.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,753.12 : 434,353.92 = 171,514.40 : x
  2. Step 2: Convert to fraction form
    314,753.12/434,353.92 = 171,514.40/x
  3. Step 3: Cross multiply
    314,753.12x = 434,353.92 × 171,514.40
  4. Step 4: Simplify right side
    314,753.12x = 74,497,951,976.45
  5. Step 5: Solve for x
    x = 74,497,951,976.45/314,753.12
  6. Step 6: Final answer
    x = 236,686.94

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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.