Home / 210,847.25-316,403.42-111,079.01

Finding the Fourth Proportional to 210,847.25, 316,403.42 and 111,079.01

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Solution

The fourth proportional to 210,847.25, 316,403.42 and 111,079.01 is: 166,688.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,847.25 : 316,403.42 = 111,079.01 : x
  2. Step 2: Convert to fraction form
    210,847.25/316,403.42 = 111,079.01/x
  3. Step 3: Cross multiply
    210,847.25x = 316,403.42 × 111,079.01
  4. Step 4: Simplify right side
    210,847.25x = 35,145,778,889.83
  5. Step 5: Solve for x
    x = 35,145,778,889.83/210,847.25
  6. Step 6: Final answer
    x = 166,688.34

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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.