Home / 156,372.09-215,792.58-84,752.11

Finding the Fourth Proportional to 156,372.09, 215,792.58 and 84,752.11

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Solution

The fourth proportional to 156,372.09, 215,792.58 and 84,752.11 is: 116,957.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,372.09 : 215,792.58 = 84,752.11 : x
  2. Step 2: Convert to fraction form
    156,372.09/215,792.58 = 84,752.11/x
  3. Step 3: Cross multiply
    156,372.09x = 215,792.58 × 84,752.11
  4. Step 4: Simplify right side
    156,372.09x = 18,288,876,477.34
  5. Step 5: Solve for x
    x = 18,288,876,477.34/156,372.09
  6. Step 6: Final answer
    x = 116,957.42

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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.