Home / 191,023.72-263,611.86-109,351.53

Finding the Fourth Proportional to 191,023.72, 263,611.86 and 109,351.53

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Solution

The fourth proportional to 191,023.72, 263,611.86 and 109,351.53 is: 150,904.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,023.72 : 263,611.86 = 109,351.53 : x
  2. Step 2: Convert to fraction form
    191,023.72/263,611.86 = 109,351.53/x
  3. Step 3: Cross multiply
    191,023.72x = 263,611.86 × 109,351.53
  4. Step 4: Simplify right side
    191,023.72x = 28,826,358,818.53
  5. Step 5: Solve for x
    x = 28,826,358,818.53/191,023.72
  6. Step 6: Final answer
    x = 150,904.60

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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.