Home / 147,476.13-221,435.73-84,367.50

Finding the Fourth Proportional to 147,476.13, 221,435.73 and 84,367.50

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Solution

The fourth proportional to 147,476.13, 221,435.73 and 84,367.50 is: 126,677.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,476.13 : 221,435.73 = 84,367.50 : x
  2. Step 2: Convert to fraction form
    147,476.13/221,435.73 = 84,367.50/x
  3. Step 3: Cross multiply
    147,476.13x = 221,435.73 × 84,367.50
  4. Step 4: Simplify right side
    147,476.13x = 18,681,978,950.78
  5. Step 5: Solve for x
    x = 18,681,978,950.78/147,476.13
  6. Step 6: Final answer
    x = 126,677.98

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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.