Home / 99,192.96-136,650.24-83,272.32

Finding the Fourth Proportional to 99,192.96, 136,650.24 and 83,272.32

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Solution

The fourth proportional to 99,192.96, 136,650.24 and 83,272.32 is: 114,717.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,192.96 : 136,650.24 = 83,272.32 : x
  2. Step 2: Convert to fraction form
    99,192.96/136,650.24 = 83,272.32/x
  3. Step 3: Cross multiply
    99,192.96x = 136,650.24 × 83,272.32
  4. Step 4: Simplify right side
    99,192.96x = 11,379,182,513.36
  5. Step 5: Solve for x
    x = 11,379,182,513.36/99,192.96
  6. Step 6: Final answer
    x = 114,717.64

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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.