Home / 162,781.44-224,467.20-120,428.16

Finding the Fourth Proportional to 162,781.44, 224,467.20 and 120,428.16

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Solution

The fourth proportional to 162,781.44, 224,467.20 and 120,428.16 is: 166,064.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,781.44 : 224,467.20 = 120,428.16 : x
  2. Step 2: Convert to fraction form
    162,781.44/224,467.20 = 120,428.16/x
  3. Step 3: Cross multiply
    162,781.44x = 224,467.20 × 120,428.16
  4. Step 4: Simplify right side
    162,781.44x = 27,032,171,876.35
  5. Step 5: Solve for x
    x = 27,032,171,876.35/162,781.44
  6. Step 6: Final answer
    x = 166,064.21

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1.5x scale

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.