Home / 124,212.06-186,321.16-45,326.27

Finding the Fourth Proportional to 124,212.06, 186,321.16 and 45,326.27

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Solution

The fourth proportional to 124,212.06, 186,321.16 and 45,326.27 is: 67,990.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,212.06 : 186,321.16 = 45,326.27 : x
  2. Step 2: Convert to fraction form
    124,212.06/186,321.16 = 45,326.27/x
  3. Step 3: Cross multiply
    124,212.06x = 186,321.16 × 45,326.27
  4. Step 4: Simplify right side
    124,212.06x = 8,445,243,204.87
  5. Step 5: Solve for x
    x = 8,445,243,204.87/124,212.06
  6. Step 6: Final answer
    x = 67,990.53

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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.