Home / 148,946.09-223,348.92-54,109.40

Finding the Fourth Proportional to 148,946.09, 223,348.92 and 54,109.40

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Solution

The fourth proportional to 148,946.09, 223,348.92 and 54,109.40 is: 81,138.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,946.09 : 223,348.92 = 54,109.40 : x
  2. Step 2: Convert to fraction form
    148,946.09/223,348.92 = 54,109.40/x
  3. Step 3: Cross multiply
    148,946.09x = 223,348.92 × 54,109.40
  4. Step 4: Simplify right side
    148,946.09x = 12,085,275,569.75
  5. Step 5: Solve for x
    x = 12,085,275,569.75/148,946.09
  6. Step 6: Final answer
    x = 81,138.59

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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.