Home / 135,194.77-186,369.86-106,422.26

Finding the Fourth Proportional to 135,194.77, 186,369.86 and 106,422.26

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Solution

The fourth proportional to 135,194.77, 186,369.86 and 106,422.26 is: 146,706.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,194.77 : 186,369.86 = 106,422.26 : x
  2. Step 2: Convert to fraction form
    135,194.77/186,369.86 = 106,422.26/x
  3. Step 3: Cross multiply
    135,194.77x = 186,369.86 × 106,422.26
  4. Step 4: Simplify right side
    135,194.77x = 19,833,901,031.29
  5. Step 5: Solve for x
    x = 19,833,901,031.29/135,194.77
  6. Step 6: Final answer
    x = 146,706.13

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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.