Home / 188,529.90-260,168.48-102,486.04

Finding the Fourth Proportional to 188,529.90, 260,168.48 and 102,486.04

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Solution

The fourth proportional to 188,529.90, 260,168.48 and 102,486.04 is: 141,429.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,529.90 : 260,168.48 = 102,486.04 : x
  2. Step 2: Convert to fraction form
    188,529.90/260,168.48 = 102,486.04/x
  3. Step 3: Cross multiply
    188,529.90x = 260,168.48 × 102,486.04
  4. Step 4: Simplify right side
    188,529.90x = 26,663,637,248.02
  5. Step 5: Solve for x
    x = 26,663,637,248.02/188,529.90
  6. Step 6: Final answer
    x = 141,429.22

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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.