Home / 312,333.32-431,023.38-169,096.40

Finding the Fourth Proportional to 312,333.32, 431,023.38 and 169,096.40

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Solution

The fourth proportional to 312,333.32, 431,023.38 and 169,096.40 is: 233,354.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,333.32 : 431,023.38 = 169,096.40 : x
  2. Step 2: Convert to fraction form
    312,333.32/431,023.38 = 169,096.40/x
  3. Step 3: Cross multiply
    312,333.32x = 431,023.38 × 169,096.40
  4. Step 4: Simplify right side
    312,333.32x = 72,884,501,873.83
  5. Step 5: Solve for x
    x = 72,884,501,873.83/312,333.32
  6. Step 6: Final answer
    x = 233,354.87

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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.