Home / 140,099.42-210,210.80-73,523.50

Finding the Fourth Proportional to 140,099.42, 210,210.80 and 73,523.50

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Solution

The fourth proportional to 140,099.42, 210,210.80 and 73,523.50 is: 110,317.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,099.42 : 210,210.80 = 73,523.50 : x
  2. Step 2: Convert to fraction form
    140,099.42/210,210.80 = 73,523.50/x
  3. Step 3: Cross multiply
    140,099.42x = 210,210.80 × 73,523.50
  4. Step 4: Simplify right side
    140,099.42x = 15,455,432,860.66
  5. Step 5: Solve for x
    x = 15,455,432,860.66/140,099.42
  6. Step 6: Final answer
    x = 110,317.61

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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.