Home / 120,150.64-165,631.02-94,575.04

Finding the Fourth Proportional to 120,150.64, 165,631.02 and 94,575.04

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Solution

The fourth proportional to 120,150.64, 165,631.02 and 94,575.04 is: 130,374.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,150.64 : 165,631.02 = 94,575.04 : x
  2. Step 2: Convert to fraction form
    120,150.64/165,631.02 = 94,575.04/x
  3. Step 3: Cross multiply
    120,150.64x = 165,631.02 × 94,575.04
  4. Step 4: Simplify right side
    120,150.64x = 15,664,560,341.74
  5. Step 5: Solve for x
    x = 15,664,560,341.74/120,150.64
  6. Step 6: Final answer
    x = 130,374.34

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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.