Home / 306,740.82-423,165.96-179,360.22

Finding the Fourth Proportional to 306,740.82, 423,165.96 and 179,360.22

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Solution

The fourth proportional to 306,740.82, 423,165.96 and 179,360.22 is: 247,437.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,740.82 : 423,165.96 = 179,360.22 : x
  2. Step 2: Convert to fraction form
    306,740.82/423,165.96 = 179,360.22/x
  3. Step 3: Cross multiply
    306,740.82x = 423,165.96 × 179,360.22
  4. Step 4: Simplify right side
    306,740.82x = 75,899,139,682.11
  5. Step 5: Solve for x
    x = 75,899,139,682.11/306,740.82
  6. Step 6: Final answer
    x = 247,437.36

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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.