Home / 319,341.78-479,012.64-179,111.34

Finding the Fourth Proportional to 319,341.78, 479,012.64 and 179,111.34

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Solution

The fourth proportional to 319,341.78, 479,012.64 and 179,111.34 is: 268,666.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,341.78 : 479,012.64 = 179,111.34 : x
  2. Step 2: Convert to fraction form
    319,341.78/479,012.64 = 179,111.34/x
  3. Step 3: Cross multiply
    319,341.78x = 479,012.64 × 179,111.34
  4. Step 4: Simplify right side
    319,341.78x = 85,796,595,827.34
  5. Step 5: Solve for x
    x = 85,796,595,827.34/319,341.78
  6. Step 6: Final answer
    x = 268,666.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.