Home / 352,166.32-528,114.81-192,156.72

Finding the Fourth Proportional to 352,166.32, 528,114.81 and 192,156.72

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Solution

The fourth proportional to 352,166.32, 528,114.81 and 192,156.72 is: 288,161.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,166.32 : 528,114.81 = 192,156.72 : x
  2. Step 2: Convert to fraction form
    352,166.32/528,114.81 = 192,156.72/x
  3. Step 3: Cross multiply
    352,166.32x = 528,114.81 × 192,156.72
  4. Step 4: Simplify right side
    352,166.32x = 101,480,809,673.02
  5. Step 5: Solve for x
    x = 101,480,809,673.02/352,166.32
  6. Step 6: Final answer
    x = 288,161.60

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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.