Home / 667,541.20-1,001,303.16-162,106.32

Finding the Fourth Proportional to 667,541.20, 1,001,303.16 and 162,106.32

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Solution

The fourth proportional to 667,541.20, 1,001,303.16 and 162,106.32 is: 243,157.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,541.20 : 1,001,303.16 = 162,106.32 : x
  2. Step 2: Convert to fraction form
    667,541.20/1,001,303.16 = 162,106.32/x
  3. Step 3: Cross multiply
    667,541.20x = 1,001,303.16 × 162,106.32
  4. Step 4: Simplify right side
    667,541.20x = 162,317,570,471.97
  5. Step 5: Solve for x
    x = 162,317,570,471.97/667,541.20
  6. Step 6: Final answer
    x = 243,157.38

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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.