Home / 349,477.38-524,129.40-149,775.12

Finding the Fourth Proportional to 349,477.38, 524,129.40 and 149,775.12

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Solution

The fourth proportional to 349,477.38, 524,129.40 and 149,775.12 is: 224,625.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,477.38 : 524,129.40 = 149,775.12 : x
  2. Step 2: Convert to fraction form
    349,477.38/524,129.40 = 149,775.12/x
  3. Step 3: Cross multiply
    349,477.38x = 524,129.40 × 149,775.12
  4. Step 4: Simplify right side
    349,477.38x = 78,501,543,780.53
  5. Step 5: Solve for x
    x = 78,501,543,780.53/349,477.38
  6. Step 6: Final answer
    x = 224,625.54

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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.