Home / 188,548.16-260,192.25-102,505.91

Finding the Fourth Proportional to 188,548.16, 260,192.25 and 102,505.91

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Solution

The fourth proportional to 188,548.16, 260,192.25 and 102,505.91 is: 141,455.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,548.16 : 260,192.25 = 102,505.91 : x
  2. Step 2: Convert to fraction form
    188,548.16/260,192.25 = 102,505.91/x
  3. Step 3: Cross multiply
    188,548.16x = 260,192.25 × 102,505.91
  4. Step 4: Simplify right side
    188,548.16x = 26,671,242,060.24
  5. Step 5: Solve for x
    x = 26,671,242,060.24/188,548.16
  6. Step 6: Final answer
    x = 141,455.86

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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.