Home / 162,544.28-243,913.32-72,580.04

Finding the Fourth Proportional to 162,544.28, 243,913.32 and 72,580.04

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Solution

The fourth proportional to 162,544.28, 243,913.32 and 72,580.04 is: 108,913.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,544.28 : 243,913.32 = 72,580.04 : x
  2. Step 2: Convert to fraction form
    162,544.28/243,913.32 = 72,580.04/x
  3. Step 3: Cross multiply
    162,544.28x = 243,913.32 × 72,580.04
  4. Step 4: Simplify right side
    162,544.28x = 17,703,238,522.13
  5. Step 5: Solve for x
    x = 17,703,238,522.13/162,544.28
  6. Step 6: Final answer
    x = 108,913.33

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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.