Home / 352,117.04-528,181.02-85,882.59

Finding the Fourth Proportional to 352,117.04, 528,181.02 and 85,882.59

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Solution

The fourth proportional to 352,117.04, 528,181.02 and 85,882.59 is: 128,825.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,117.04 : 528,181.02 = 85,882.59 : x
  2. Step 2: Convert to fraction form
    352,117.04/528,181.02 = 85,882.59/x
  3. Step 3: Cross multiply
    352,117.04x = 528,181.02 × 85,882.59
  4. Step 4: Simplify right side
    352,117.04x = 45,361,553,986.44
  5. Step 5: Solve for x
    x = 45,361,553,986.44/352,117.04
  6. Step 6: Final answer
    x = 128,825.22

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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.