Home / 122,090.88-182,825.28-80,411.52

Finding the Fourth Proportional to 122,090.88, 182,825.28 and 80,411.52

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Solution

The fourth proportional to 122,090.88, 182,825.28 and 80,411.52 is: 120,412.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,090.88 : 182,825.28 = 80,411.52 : x
  2. Step 2: Convert to fraction form
    122,090.88/182,825.28 = 80,411.52/x
  3. Step 3: Cross multiply
    122,090.88x = 182,825.28 × 80,411.52
  4. Step 4: Simplify right side
    122,090.88x = 14,701,258,659.23
  5. Step 5: Solve for x
    x = 14,701,258,659.23/122,090.88
  6. Step 6: Final answer
    x = 120,412.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.