Home / 164,965.17-247,274.40-105,039.75

Finding the Fourth Proportional to 164,965.17, 247,274.40 and 105,039.75

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Solution

The fourth proportional to 164,965.17, 247,274.40 and 105,039.75 is: 157,449.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,965.17 : 247,274.40 = 105,039.75 : x
  2. Step 2: Convert to fraction form
    164,965.17/247,274.40 = 105,039.75/x
  3. Step 3: Cross multiply
    164,965.17x = 247,274.40 × 105,039.75
  4. Step 4: Simplify right side
    164,965.17x = 25,973,641,157.40
  5. Step 5: Solve for x
    x = 25,973,641,157.40/164,965.17
  6. Step 6: Final answer
    x = 157,449.24

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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.