Home / 352,324.12-528,483.98-86,086.04

Finding the Fourth Proportional to 352,324.12, 528,483.98 and 86,086.04

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Solution

The fourth proportional to 352,324.12, 528,483.98 and 86,086.04 is: 129,128.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,324.12 : 528,483.98 = 86,086.04 : x
  2. Step 2: Convert to fraction form
    352,324.12/528,483.98 = 86,086.04/x
  3. Step 3: Cross multiply
    352,324.12x = 528,483.98 × 86,086.04
  4. Step 4: Simplify right side
    352,324.12x = 45,495,093,041.64
  5. Step 5: Solve for x
    x = 45,495,093,041.64/352,324.12
  6. Step 6: Final answer
    x = 129,128.52

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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.