Home / 411,109.16-616,734.18-141,224.47

Finding the Fourth Proportional to 411,109.16, 616,734.18 and 141,224.47

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Solution

The fourth proportional to 411,109.16, 616,734.18 and 141,224.47 is: 211,860.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,109.16 : 616,734.18 = 141,224.47 : x
  2. Step 2: Convert to fraction form
    411,109.16/616,734.18 = 141,224.47/x
  3. Step 3: Cross multiply
    411,109.16x = 616,734.18 × 141,224.47
  4. Step 4: Simplify right side
    411,109.16x = 87,097,956,159.55
  5. Step 5: Solve for x
    x = 87,097,956,159.55/411,109.16
  6. Step 6: Final answer
    x = 211,860.90

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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.