Home / 148,946.88-205,379.85-139,499.04

Finding the Fourth Proportional to 148,946.88, 205,379.85 and 139,499.04

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Solution

The fourth proportional to 148,946.88, 205,379.85 and 139,499.04 is: 192,352.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,946.88 : 205,379.85 = 139,499.04 : x
  2. Step 2: Convert to fraction form
    148,946.88/205,379.85 = 139,499.04/x
  3. Step 3: Cross multiply
    148,946.88x = 205,379.85 × 139,499.04
  4. Step 4: Simplify right side
    148,946.88x = 28,650,293,203.64
  5. Step 5: Solve for x
    x = 28,650,293,203.64/148,946.88
  6. Step 6: Final answer
    x = 192,352.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.