Home / 187,309.95-281,035.71-112,482.26

Finding the Fourth Proportional to 187,309.95, 281,035.71 and 112,482.26

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Solution

The fourth proportional to 187,309.95, 281,035.71 and 112,482.26 is: 168,765.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,309.95 : 281,035.71 = 112,482.26 : x
  2. Step 2: Convert to fraction form
    187,309.95/281,035.71 = 112,482.26/x
  3. Step 3: Cross multiply
    187,309.95x = 281,035.71 × 112,482.26
  4. Step 4: Simplify right side
    187,309.95x = 31,611,531,239.09
  5. Step 5: Solve for x
    x = 31,611,531,239.09/187,309.95
  6. Step 6: Final answer
    x = 168,765.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.