Home / 143,336.89-214,801.17-105,600.21

Finding the Fourth Proportional to 143,336.89, 214,801.17 and 105,600.21

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Solution

The fourth proportional to 143,336.89, 214,801.17 and 105,600.21 is: 158,249.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,336.89 : 214,801.17 = 105,600.21 : x
  2. Step 2: Convert to fraction form
    143,336.89/214,801.17 = 105,600.21/x
  3. Step 3: Cross multiply
    143,336.89x = 214,801.17 × 105,600.21
  4. Step 4: Simplify right side
    143,336.89x = 22,683,047,458.74
  5. Step 5: Solve for x
    x = 22,683,047,458.74/143,336.89
  6. Step 6: Final answer
    x = 158,249.89

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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.