Home / 357,728.24-536,704.68-147,465.20

Finding the Fourth Proportional to 357,728.24, 536,704.68 and 147,465.20

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Solution

The fourth proportional to 357,728.24, 536,704.68 and 147,465.20 is: 221,244.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,728.24 : 536,704.68 = 147,465.20 : x
  2. Step 2: Convert to fraction form
    357,728.24/536,704.68 = 147,465.20/x
  3. Step 3: Cross multiply
    357,728.24x = 536,704.68 × 147,465.20
  4. Step 4: Simplify right side
    357,728.24x = 79,145,262,977.14
  5. Step 5: Solve for x
    x = 79,145,262,977.14/357,728.24
  6. Step 6: Final answer
    x = 221,244.10

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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.