Home / 124,231.07-186,111.51-73,478.09

Finding the Fourth Proportional to 124,231.07, 186,111.51 and 73,478.09

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Solution

The fourth proportional to 124,231.07, 186,111.51 and 73,478.09 is: 110,078.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,231.07 : 186,111.51 = 73,478.09 : x
  2. Step 2: Convert to fraction form
    124,231.07/186,111.51 = 73,478.09/x
  3. Step 3: Cross multiply
    124,231.07x = 186,111.51 × 73,478.09
  4. Step 4: Simplify right side
    124,231.07x = 13,675,118,471.55
  5. Step 5: Solve for x
    x = 13,675,118,471.55/124,231.07
  6. Step 6: Final answer
    x = 110,078.08

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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.