Home / 188,502.48-260,131.32-102,459.60

Finding the Fourth Proportional to 188,502.48, 260,131.32 and 102,459.60

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Solution

The fourth proportional to 188,502.48, 260,131.32 and 102,459.60 is: 141,393.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,502.48 : 260,131.32 = 102,459.60 : x
  2. Step 2: Convert to fraction form
    188,502.48/260,131.32 = 102,459.60/x
  3. Step 3: Cross multiply
    188,502.48x = 260,131.32 × 102,459.60
  4. Step 4: Simplify right side
    188,502.48x = 26,652,950,994.67
  5. Step 5: Solve for x
    x = 26,652,950,994.67/188,502.48
  6. Step 6: Final answer
    x = 141,393.11

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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.