Home / 144,795.18-217,254.60-74,723.70

Finding the Fourth Proportional to 144,795.18, 217,254.60 and 74,723.70

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Solution

The fourth proportional to 144,795.18, 217,254.60 and 74,723.70 is: 112,117.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,795.18 : 217,254.60 = 74,723.70 : x
  2. Step 2: Convert to fraction form
    144,795.18/217,254.60 = 74,723.70/x
  3. Step 3: Cross multiply
    144,795.18x = 217,254.60 × 74,723.70
  4. Step 4: Simplify right side
    144,795.18x = 16,234,067,554.02
  5. Step 5: Solve for x
    x = 16,234,067,554.02/144,795.18
  6. Step 6: Final answer
    x = 112,117.46

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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.