Home / 147,913.17-221,210.96-131,380.53

Finding the Fourth Proportional to 147,913.17, 221,210.96 and 131,380.53

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Solution

The fourth proportional to 147,913.17, 221,210.96 and 131,380.53 is: 196,485.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,913.17 : 221,210.96 = 131,380.53 : x
  2. Step 2: Convert to fraction form
    147,913.17/221,210.96 = 131,380.53/x
  3. Step 3: Cross multiply
    147,913.17x = 221,210.96 × 131,380.53
  4. Step 4: Simplify right side
    147,913.17x = 29,062,812,509.71
  5. Step 5: Solve for x
    x = 29,062,812,509.71/147,913.17
  6. Step 6: Final answer
    x = 196,485.63

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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.