Home / 352,397.21-528,627.71-99,680.24

Finding the Fourth Proportional to 352,397.21, 528,627.71 and 99,680.24

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Solution

The fourth proportional to 352,397.21, 528,627.71 and 99,680.24 is: 149,529.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,397.21 : 528,627.71 = 99,680.24 : x
  2. Step 2: Convert to fraction form
    352,397.21/528,627.71 = 99,680.24/x
  3. Step 3: Cross multiply
    352,397.21x = 528,627.71 × 99,680.24
  4. Step 4: Simplify right side
    352,397.21x = 52,693,738,574.22
  5. Step 5: Solve for x
    x = 52,693,738,574.22/352,397.21
  6. Step 6: Final answer
    x = 149,529.39

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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.