Home / 154,133.00-212,769.13-93,723.05

Finding the Fourth Proportional to 154,133.00, 212,769.13 and 93,723.05

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Solution

The fourth proportional to 154,133.00, 212,769.13 and 93,723.05 is: 129,377.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,133.00 : 212,769.13 = 93,723.05 : x
  2. Step 2: Convert to fraction form
    154,133.00/212,769.13 = 93,723.05/x
  3. Step 3: Cross multiply
    154,133.00x = 212,769.13 × 93,723.05
  4. Step 4: Simplify right side
    154,133.00x = 19,941,371,684.38
  5. Step 5: Solve for x
    x = 19,941,371,684.38/154,133.00
  6. Step 6: Final answer
    x = 129,377.69

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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.