Home / 117,713.07-162,433.59-65,326.37

Finding the Fourth Proportional to 117,713.07, 162,433.59 and 65,326.37

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Solution

The fourth proportional to 117,713.07, 162,433.59 and 65,326.37 is: 90,144.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,713.07 : 162,433.59 = 65,326.37 : x
  2. Step 2: Convert to fraction form
    117,713.07/162,433.59 = 65,326.37/x
  3. Step 3: Cross multiply
    117,713.07x = 162,433.59 × 65,326.37
  4. Step 4: Simplify right side
    117,713.07x = 10,611,197,206.85
  5. Step 5: Solve for x
    x = 10,611,197,206.85/117,713.07
  6. Step 6: Final answer
    x = 90,144.59

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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.