Home / 121,926.56-168,263.44-71,625.12

Finding the Fourth Proportional to 121,926.56, 168,263.44 and 71,625.12

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Solution

The fourth proportional to 121,926.56, 168,263.44 and 71,625.12 is: 98,845.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,926.56 : 168,263.44 = 71,625.12 : x
  2. Step 2: Convert to fraction form
    121,926.56/168,263.44 = 71,625.12/x
  3. Step 3: Cross multiply
    121,926.56x = 168,263.44 × 71,625.12
  4. Step 4: Simplify right side
    121,926.56x = 12,051,889,081.61
  5. Step 5: Solve for x
    x = 12,051,889,081.61/121,926.56
  6. Step 6: Final answer
    x = 98,845.48

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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.