Home / 162,406.60-224,093.76-90,787.24

Finding the Fourth Proportional to 162,406.60, 224,093.76 and 90,787.24

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Solution

The fourth proportional to 162,406.60, 224,093.76 and 90,787.24 is: 125,271.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,406.60 : 224,093.76 = 90,787.24 : x
  2. Step 2: Convert to fraction form
    162,406.60/224,093.76 = 90,787.24/x
  3. Step 3: Cross multiply
    162,406.60x = 224,093.76 × 90,787.24
  4. Step 4: Simplify right side
    162,406.60x = 20,344,853,971.62
  5. Step 5: Solve for x
    x = 20,344,853,971.62/162,406.60
  6. Step 6: Final answer
    x = 125,271.10

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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.