Home / 215,283.72-297,103.20-119,792.49

Finding the Fourth Proportional to 215,283.72, 297,103.20 and 119,792.49

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Solution

The fourth proportional to 215,283.72, 297,103.20 and 119,792.49 is: 165,320.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,283.72 : 297,103.20 = 119,792.49 : x
  2. Step 2: Convert to fraction form
    215,283.72/297,103.20 = 119,792.49/x
  3. Step 3: Cross multiply
    215,283.72x = 297,103.20 × 119,792.49
  4. Step 4: Simplify right side
    215,283.72x = 35,590,732,114.97
  5. Step 5: Solve for x
    x = 35,590,732,114.97/215,283.72
  6. Step 6: Final answer
    x = 165,320.13

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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.