Home / 131,966.82-182,071.40-74,600.60

Finding the Fourth Proportional to 131,966.82, 182,071.40 and 74,600.60

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Solution

The fourth proportional to 131,966.82, 182,071.40 and 74,600.60 is: 102,924.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,966.82 : 182,071.40 = 74,600.60 : x
  2. Step 2: Convert to fraction form
    131,966.82/182,071.40 = 74,600.60/x
  3. Step 3: Cross multiply
    131,966.82x = 182,071.40 × 74,600.60
  4. Step 4: Simplify right side
    131,966.82x = 13,582,634,399.48
  5. Step 5: Solve for x
    x = 13,582,634,399.48/131,966.82
  6. Step 6: Final answer
    x = 102,924.62

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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.