Home / 187,531.02-258,799.95-106,971.66

Finding the Fourth Proportional to 187,531.02, 258,799.95 and 106,971.66

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Solution

The fourth proportional to 187,531.02, 258,799.95 and 106,971.66 is: 147,624.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,531.02 : 258,799.95 = 106,971.66 : x
  2. Step 2: Convert to fraction form
    187,531.02/258,799.95 = 106,971.66/x
  3. Step 3: Cross multiply
    187,531.02x = 258,799.95 × 106,971.66
  4. Step 4: Simplify right side
    187,531.02x = 27,684,260,259.42
  5. Step 5: Solve for x
    x = 27,684,260,259.42/187,531.02
  6. Step 6: Final answer
    x = 147,624.96

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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.