Home / 194,934.80-292,013.40-135,837.20

Finding the Fourth Proportional to 194,934.80, 292,013.40 and 135,837.20

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Solution

The fourth proportional to 194,934.80, 292,013.40 and 135,837.20 is: 203,484.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,934.80 : 292,013.40 = 135,837.20 : x
  2. Step 2: Convert to fraction form
    194,934.80/292,013.40 = 135,837.20/x
  3. Step 3: Cross multiply
    194,934.80x = 292,013.40 × 135,837.20
  4. Step 4: Simplify right side
    194,934.80x = 39,666,282,618.48
  5. Step 5: Solve for x
    x = 39,666,282,618.48/194,934.80
  6. Step 6: Final answer
    x = 203,484.87

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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.