Home / 306,832.36-423,327.18-179,417.74

Finding the Fourth Proportional to 306,832.36, 423,327.18 and 179,417.74

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Solution

The fourth proportional to 306,832.36, 423,327.18 and 179,417.74 is: 247,537.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,832.36 : 423,327.18 = 179,417.74 : x
  2. Step 2: Convert to fraction form
    306,832.36/423,327.18 = 179,417.74/x
  3. Step 3: Cross multiply
    306,832.36x = 423,327.18 × 179,417.74
  4. Step 4: Simplify right side
    306,832.36x = 75,952,405,916.17
  5. Step 5: Solve for x
    x = 75,952,405,916.17/306,832.36
  6. Step 6: Final answer
    x = 247,537.14

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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.