Home / 147,744.02-221,685.24-72,823.34

Finding the Fourth Proportional to 147,744.02, 221,685.24 and 72,823.34

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Solution

The fourth proportional to 147,744.02, 221,685.24 and 72,823.34 is: 109,269.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,744.02 : 221,685.24 = 72,823.34 : x
  2. Step 2: Convert to fraction form
    147,744.02/221,685.24 = 72,823.34/x
  3. Step 3: Cross multiply
    147,744.02x = 221,685.24 × 72,823.34
  4. Step 4: Simplify right side
    147,744.02x = 16,143,859,605.50
  5. Step 5: Solve for x
    x = 16,143,859,605.50/147,744.02
  6. Step 6: Final answer
    x = 109,269.12

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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.