Home / 375,395.13-563,147.58-109,121.04

Finding the Fourth Proportional to 375,395.13, 563,147.58 and 109,121.04

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Solution

The fourth proportional to 375,395.13, 563,147.58 and 109,121.04 is: 163,697.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,395.13 : 563,147.58 = 109,121.04 : x
  2. Step 2: Convert to fraction form
    375,395.13/563,147.58 = 109,121.04/x
  3. Step 3: Cross multiply
    375,395.13x = 563,147.58 × 109,121.04
  4. Step 4: Simplify right side
    375,395.13x = 61,451,249,603.08
  5. Step 5: Solve for x
    x = 61,451,249,603.08/375,395.13
  6. Step 6: Final answer
    x = 163,697.51

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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.