Home / 194,705.40-292,123.62-193,393.20

Finding the Fourth Proportional to 194,705.40, 292,123.62 and 193,393.20

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Solution

The fourth proportional to 194,705.40, 292,123.62 and 193,393.20 is: 290,154.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,705.40 : 292,123.62 = 193,393.20 : x
  2. Step 2: Convert to fraction form
    194,705.40/292,123.62 = 193,393.20/x
  3. Step 3: Cross multiply
    194,705.40x = 292,123.62 × 193,393.20
  4. Step 4: Simplify right side
    194,705.40x = 56,494,721,667.38
  5. Step 5: Solve for x
    x = 56,494,721,667.38/194,705.40
  6. Step 6: Final answer
    x = 290,154.88

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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.