Home / 142,654.73-213,827.63-92,770.63

Finding the Fourth Proportional to 142,654.73, 213,827.63 and 92,770.63

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Solution

The fourth proportional to 142,654.73, 213,827.63 and 92,770.63 is: 139,055.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,654.73 : 213,827.63 = 92,770.63 : x
  2. Step 2: Convert to fraction form
    142,654.73/213,827.63 = 92,770.63/x
  3. Step 3: Cross multiply
    142,654.73x = 213,827.63 × 92,770.63
  4. Step 4: Simplify right side
    142,654.73x = 19,836,922,948.08
  5. Step 5: Solve for x
    x = 19,836,922,948.08/142,654.73
  6. Step 6: Final answer
    x = 139,055.49

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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.