Home / 140,702.22-194,167.59-76,170.02

Finding the Fourth Proportional to 140,702.22, 194,167.59 and 76,170.02

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Solution

The fourth proportional to 140,702.22, 194,167.59 and 76,170.02 is: 105,113.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,702.22 : 194,167.59 = 76,170.02 : x
  2. Step 2: Convert to fraction form
    140,702.22/194,167.59 = 76,170.02/x
  3. Step 3: Cross multiply
    140,702.22x = 194,167.59 × 76,170.02
  4. Step 4: Simplify right side
    140,702.22x = 14,789,748,728.23
  5. Step 5: Solve for x
    x = 14,789,748,728.23/140,702.22
  6. Step 6: Final answer
    x = 105,113.82

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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.