Home / 103,516.71-142,853.66-58,194.28

Finding the Fourth Proportional to 103,516.71, 142,853.66 and 58,194.28

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Solution

The fourth proportional to 103,516.71, 142,853.66 and 58,194.28 is: 80,308.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,516.71 : 142,853.66 = 58,194.28 : x
  2. Step 2: Convert to fraction form
    103,516.71/142,853.66 = 58,194.28/x
  3. Step 3: Cross multiply
    103,516.71x = 142,853.66 × 58,194.28
  4. Step 4: Simplify right side
    103,516.71x = 8,313,265,889.06
  5. Step 5: Solve for x
    x = 8,313,265,889.06/103,516.71
  6. Step 6: Final answer
    x = 80,308.44

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1.5x scale

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.