Home / 147,133.29-220,715.66-52,371.95

Finding the Fourth Proportional to 147,133.29, 220,715.66 and 52,371.95

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Solution

The fourth proportional to 147,133.29, 220,715.66 and 52,371.95 is: 78,563.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,133.29 : 220,715.66 = 52,371.95 : x
  2. Step 2: Convert to fraction form
    147,133.29/220,715.66 = 52,371.95/x
  3. Step 3: Cross multiply
    147,133.29x = 220,715.66 × 52,371.95
  4. Step 4: Simplify right side
    147,133.29x = 11,559,309,378.81
  5. Step 5: Solve for x
    x = 11,559,309,378.81/147,133.29
  6. Step 6: Final answer
    x = 78,563.52

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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.