Home / 384,147.36-576,221.04-103,664.16

Finding the Fourth Proportional to 384,147.36, 576,221.04 and 103,664.16

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Solution

The fourth proportional to 384,147.36, 576,221.04 and 103,664.16 is: 155,496.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,147.36 : 576,221.04 = 103,664.16 : x
  2. Step 2: Convert to fraction form
    384,147.36/576,221.04 = 103,664.16/x
  3. Step 3: Cross multiply
    384,147.36x = 576,221.04 × 103,664.16
  4. Step 4: Simplify right side
    384,147.36x = 59,733,470,085.93
  5. Step 5: Solve for x
    x = 59,733,470,085.93/384,147.36
  6. Step 6: Final answer
    x = 155,496.24

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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.