Home / 131,985.48-182,108.43-74,625.96

Finding the Fourth Proportional to 131,985.48, 182,108.43 and 74,625.96

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Solution

The fourth proportional to 131,985.48, 182,108.43 and 74,625.96 is: 102,966.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,985.48 : 182,108.43 = 74,625.96 : x
  2. Step 2: Convert to fraction form
    131,985.48/182,108.43 = 74,625.96/x
  3. Step 3: Cross multiply
    131,985.48x = 182,108.43 × 74,625.96
  4. Step 4: Simplify right side
    131,985.48x = 13,590,016,412.84
  5. Step 5: Solve for x
    x = 13,590,016,412.84/131,985.48
  6. Step 6: Final answer
    x = 102,966.00

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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.