Home / 411,530.22-617,319.43-158,812.04

Finding the Fourth Proportional to 411,530.22, 617,319.43 and 158,812.04

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Solution

The fourth proportional to 411,530.22, 617,319.43 and 158,812.04 is: 238,227.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,530.22 : 617,319.43 = 158,812.04 : x
  2. Step 2: Convert to fraction form
    411,530.22/617,319.43 = 158,812.04/x
  3. Step 3: Cross multiply
    411,530.22x = 617,319.43 × 158,812.04
  4. Step 4: Simplify right side
    411,530.22x = 98,037,759,156.21
  5. Step 5: Solve for x
    x = 98,037,759,156.21/411,530.22
  6. Step 6: Final answer
    x = 238,227.36

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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.