Home / 102,498.16-153,753.72-43,326.04

Finding the Fourth Proportional to 102,498.16, 153,753.72 and 43,326.04

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Solution

The fourth proportional to 102,498.16, 153,753.72 and 43,326.04 is: 64,991.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,498.16 : 153,753.72 = 43,326.04 : x
  2. Step 2: Convert to fraction form
    102,498.16/153,753.72 = 43,326.04/x
  3. Step 3: Cross multiply
    102,498.16x = 153,753.72 × 43,326.04
  4. Step 4: Simplify right side
    102,498.16x = 6,661,539,822.87
  5. Step 5: Solve for x
    x = 6,661,539,822.87/102,498.16
  6. Step 6: Final answer
    x = 64,991.80

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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.