Home / 352,203.40-528,434.70-141,862.60

Finding the Fourth Proportional to 352,203.40, 528,434.70 and 141,862.60

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Solution

The fourth proportional to 352,203.40, 528,434.70 and 141,862.60 is: 212,846.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,203.40 : 528,434.70 = 141,862.60 : x
  2. Step 2: Convert to fraction form
    352,203.40/528,434.70 = 141,862.60/x
  3. Step 3: Cross multiply
    352,203.40x = 528,434.70 × 141,862.60
  4. Step 4: Simplify right side
    352,203.40x = 74,965,120,472.22
  5. Step 5: Solve for x
    x = 74,965,120,472.22/352,203.40
  6. Step 6: Final answer
    x = 212,846.10

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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.