Home / 120,152.64-165,633.78-94,577.04

Finding the Fourth Proportional to 120,152.64, 165,633.78 and 94,577.04

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Solution

The fourth proportional to 120,152.64, 165,633.78 and 94,577.04 is: 130,377.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,152.64 : 165,633.78 = 94,577.04 : x
  2. Step 2: Convert to fraction form
    120,152.64/165,633.78 = 94,577.04/x
  3. Step 3: Cross multiply
    120,152.64x = 165,633.78 × 94,577.04
  4. Step 4: Simplify right side
    120,152.64x = 15,665,152,636.41
  5. Step 5: Solve for x
    x = 15,665,152,636.41/120,152.64
  6. Step 6: Final answer
    x = 130,377.10

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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.