Home / 352,136.16-528,194.80-99,434.04

Finding the Fourth Proportional to 352,136.16, 528,194.80 and 99,434.04

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Solution

The fourth proportional to 352,136.16, 528,194.80 and 99,434.04 is: 149,148.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,136.16 : 528,194.80 = 99,434.04 : x
  2. Step 2: Convert to fraction form
    352,136.16/528,194.80 = 99,434.04/x
  3. Step 3: Cross multiply
    352,136.16x = 528,194.80 × 99,434.04
  4. Step 4: Simplify right side
    352,136.16x = 52,520,542,870.99
  5. Step 5: Solve for x
    x = 52,520,542,870.99/352,136.16
  6. Step 6: Final answer
    x = 149,148.39

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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.