Home / 122,090.76-168,416.46-71,097.48

Finding the Fourth Proportional to 122,090.76, 168,416.46 and 71,097.48

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Solution

The fourth proportional to 122,090.76, 168,416.46 and 71,097.48 is: 98,074.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,090.76 : 168,416.46 = 71,097.48 : x
  2. Step 2: Convert to fraction form
    122,090.76/168,416.46 = 71,097.48/x
  3. Step 3: Cross multiply
    122,090.76x = 168,416.46 × 71,097.48
  4. Step 4: Simplify right side
    122,090.76x = 11,973,985,896.52
  5. Step 5: Solve for x
    x = 11,973,985,896.52/122,090.76
  6. Step 6: Final answer
    x = 98,074.46

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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.