Home / 110,051.41-151,530.90-85,949.73

Finding the Fourth Proportional to 110,051.41, 151,530.90 and 85,949.73

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Solution

The fourth proportional to 110,051.41, 151,530.90 and 85,949.73 is: 118,345.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,051.41 : 151,530.90 = 85,949.73 : x
  2. Step 2: Convert to fraction form
    110,051.41/151,530.90 = 85,949.73/x
  3. Step 3: Cross multiply
    110,051.41x = 151,530.90 × 85,949.73
  4. Step 4: Simplify right side
    110,051.41x = 13,024,039,511.91
  5. Step 5: Solve for x
    x = 13,024,039,511.91/110,051.41
  6. Step 6: Final answer
    x = 118,345.05

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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.