Home / 105,255.64-157,908.26-34,178.02

Finding the Fourth Proportional to 105,255.64, 157,908.26 and 34,178.02

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Solution

The fourth proportional to 105,255.64, 157,908.26 and 34,178.02 is: 51,275.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,255.64 : 157,908.26 = 34,178.02 : x
  2. Step 2: Convert to fraction form
    105,255.64/157,908.26 = 34,178.02/x
  3. Step 3: Cross multiply
    105,255.64x = 157,908.26 × 34,178.02
  4. Step 4: Simplify right side
    105,255.64x = 5,396,991,668.45
  5. Step 5: Solve for x
    x = 5,396,991,668.45/105,255.64
  6. Step 6: Final answer
    x = 51,275.08

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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.