Home / 294,700.05-442,077.81-81,482.13

Finding the Fourth Proportional to 294,700.05, 442,077.81 and 81,482.13

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Solution

The fourth proportional to 294,700.05, 442,077.81 and 81,482.13 is: 122,230.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,700.05 : 442,077.81 = 81,482.13 : x
  2. Step 2: Convert to fraction form
    294,700.05/442,077.81 = 81,482.13/x
  3. Step 3: Cross multiply
    294,700.05x = 442,077.81 × 81,482.13
  4. Step 4: Simplify right side
    294,700.05x = 36,021,441,584.54
  5. Step 5: Solve for x
    x = 36,021,441,584.54/294,700.05
  6. Step 6: Final answer
    x = 122,230.86

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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.