Home / 147,133.17-220,715.47-52,371.83

Finding the Fourth Proportional to 147,133.17, 220,715.47 and 52,371.83

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Solution

The fourth proportional to 147,133.17, 220,715.47 and 52,371.83 is: 78,563.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,133.17 : 220,715.47 = 52,371.83 : x
  2. Step 2: Convert to fraction form
    147,133.17/220,715.47 = 52,371.83/x
  3. Step 3: Cross multiply
    147,133.17x = 220,715.47 × 52,371.83
  4. Step 4: Simplify right side
    147,133.17x = 11,559,271,969.63
  5. Step 5: Solve for x
    x = 11,559,271,969.63/147,133.17
  6. Step 6: Final answer
    x = 78,563.33

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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.