Home / 170,713.22-235,571.63-99,081.68

Finding the Fourth Proportional to 170,713.22, 235,571.63 and 99,081.68

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Solution

The fourth proportional to 170,713.22, 235,571.63 and 99,081.68 is: 136,725.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,713.22 : 235,571.63 = 99,081.68 : x
  2. Step 2: Convert to fraction form
    170,713.22/235,571.63 = 99,081.68/x
  3. Step 3: Cross multiply
    170,713.22x = 235,571.63 × 99,081.68
  4. Step 4: Simplify right side
    170,713.22x = 23,340,831,187.47
  5. Step 5: Solve for x
    x = 23,340,831,187.47/170,713.22
  6. Step 6: Final answer
    x = 136,725.39

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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.