Home / 168,774.60-253,161.90-89,848.20

Finding the Fourth Proportional to 168,774.60, 253,161.90 and 89,848.20

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Solution

The fourth proportional to 168,774.60, 253,161.90 and 89,848.20 is: 134,772.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,774.60 : 253,161.90 = 89,848.20 : x
  2. Step 2: Convert to fraction form
    168,774.60/253,161.90 = 89,848.20/x
  3. Step 3: Cross multiply
    168,774.60x = 253,161.90 × 89,848.20
  4. Step 4: Simplify right side
    168,774.60x = 22,746,141,023.58
  5. Step 5: Solve for x
    x = 22,746,141,023.58/168,774.60
  6. Step 6: Final answer
    x = 134,772.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.