Home / 162,724.08-224,663.68-111,720.40

Finding the Fourth Proportional to 162,724.08, 224,663.68 and 111,720.40

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Solution

The fourth proportional to 162,724.08, 224,663.68 and 111,720.40 is: 154,245.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,724.08 : 224,663.68 = 111,720.40 : x
  2. Step 2: Convert to fraction form
    162,724.08/224,663.68 = 111,720.40/x
  3. Step 3: Cross multiply
    162,724.08x = 224,663.68 × 111,720.40
  4. Step 4: Simplify right side
    162,724.08x = 25,099,516,195.07
  5. Step 5: Solve for x
    x = 25,099,516,195.07/162,724.08
  6. Step 6: Final answer
    x = 154,245.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.