Home / 119,539.24-164,895.24-74,749.48

Finding the Fourth Proportional to 119,539.24, 164,895.24 and 74,749.48

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Solution

The fourth proportional to 119,539.24, 164,895.24 and 74,749.48 is: 103,111.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,539.24 : 164,895.24 = 74,749.48 : x
  2. Step 2: Convert to fraction form
    119,539.24/164,895.24 = 74,749.48/x
  3. Step 3: Cross multiply
    119,539.24x = 164,895.24 × 74,749.48
  4. Step 4: Simplify right side
    119,539.24x = 12,325,833,444.48
  5. Step 5: Solve for x
    x = 12,325,833,444.48/119,539.24
  6. Step 6: Final answer
    x = 103,111.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.