Home / 132,071.16-182,218.38-81,031.48

Finding the Fourth Proportional to 132,071.16, 182,218.38 and 81,031.48

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Solution

The fourth proportional to 132,071.16, 182,218.38 and 81,031.48 is: 111,799.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,071.16 : 182,218.38 = 81,031.48 : x
  2. Step 2: Convert to fraction form
    132,071.16/182,218.38 = 81,031.48/x
  3. Step 3: Cross multiply
    132,071.16x = 182,218.38 × 81,031.48
  4. Step 4: Simplify right side
    132,071.16x = 14,765,425,014.60
  5. Step 5: Solve for x
    x = 14,765,425,014.60/132,071.16
  6. Step 6: Final answer
    x = 111,799.01

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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.