Home / 141,143.15-194,770.40-83,784.93

Finding the Fourth Proportional to 141,143.15, 194,770.40 and 83,784.93

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Solution

The fourth proportional to 141,143.15, 194,770.40 and 83,784.93 is: 115,618.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,143.15 : 194,770.40 = 83,784.93 : x
  2. Step 2: Convert to fraction form
    141,143.15/194,770.40 = 83,784.93/x
  3. Step 3: Cross multiply
    141,143.15x = 194,770.40 × 83,784.93
  4. Step 4: Simplify right side
    141,143.15x = 16,318,824,330.07
  5. Step 5: Solve for x
    x = 16,318,824,330.07/141,143.15
  6. Step 6: Final answer
    x = 115,618.96

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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.