Home / 194,480.48-291,545.64-69,792.32

Finding the Fourth Proportional to 194,480.48, 291,545.64 and 69,792.32

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Solution

The fourth proportional to 194,480.48, 291,545.64 and 69,792.32 is: 104,625.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,480.48 : 291,545.64 = 69,792.32 : x
  2. Step 2: Convert to fraction form
    194,480.48/291,545.64 = 69,792.32/x
  3. Step 3: Cross multiply
    194,480.48x = 291,545.64 × 69,792.32
  4. Step 4: Simplify right side
    194,480.48x = 20,347,646,601.48
  5. Step 5: Solve for x
    x = 20,347,646,601.48/194,480.48
  6. Step 6: Final answer
    x = 104,625.65

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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.