Home / 108,166.47-149,272.76-59,771.52

Finding the Fourth Proportional to 108,166.47, 149,272.76 and 59,771.52

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Solution

The fourth proportional to 108,166.47, 149,272.76 and 59,771.52 is: 82,486.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,166.47 : 149,272.76 = 59,771.52 : x
  2. Step 2: Convert to fraction form
    108,166.47/149,272.76 = 59,771.52/x
  3. Step 3: Cross multiply
    108,166.47x = 149,272.76 × 59,771.52
  4. Step 4: Simplify right side
    108,166.47x = 8,922,259,460.94
  5. Step 5: Solve for x
    x = 8,922,259,460.94/108,166.47
  6. Step 6: Final answer
    x = 82,486.37

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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.