Home / 113,994.08-157,367.16-80,074.64

Finding the Fourth Proportional to 113,994.08, 157,367.16 and 80,074.64

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Solution

The fourth proportional to 113,994.08, 157,367.16 and 80,074.64 is: 110,541.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,994.08 : 157,367.16 = 80,074.64 : x
  2. Step 2: Convert to fraction form
    113,994.08/157,367.16 = 80,074.64/x
  3. Step 3: Cross multiply
    113,994.08x = 157,367.16 × 80,074.64
  4. Step 4: Simplify right side
    113,994.08x = 12,601,118,684.82
  5. Step 5: Solve for x
    x = 12,601,118,684.82/113,994.08
  6. Step 6: Final answer
    x = 110,541.87

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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.