Home / 306,844.96-423,434.23-170,884.65

Finding the Fourth Proportional to 306,844.96, 423,434.23 and 170,884.65

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Solution

The fourth proportional to 306,844.96, 423,434.23 and 170,884.65 is: 235,814.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,844.96 : 423,434.23 = 170,884.65 : x
  2. Step 2: Convert to fraction form
    306,844.96/423,434.23 = 170,884.65/x
  3. Step 3: Cross multiply
    306,844.96x = 423,434.23 × 170,884.65
  4. Step 4: Simplify right side
    306,844.96x = 72,358,410,191.57
  5. Step 5: Solve for x
    x = 72,358,410,191.57/306,844.96
  6. Step 6: Final answer
    x = 235,814.24

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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.