Home / 132,151.46-182,274.80-121,284.60

Finding the Fourth Proportional to 132,151.46, 182,274.80 and 121,284.60

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Solution

The fourth proportional to 132,151.46, 182,274.80 and 121,284.60 is: 167,286.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,151.46 : 182,274.80 = 121,284.60 : x
  2. Step 2: Convert to fraction form
    132,151.46/182,274.80 = 121,284.60/x
  3. Step 3: Cross multiply
    132,151.46x = 182,274.80 × 121,284.60
  4. Step 4: Simplify right side
    132,151.46x = 22,107,126,208.08
  5. Step 5: Solve for x
    x = 22,107,126,208.08/132,151.46
  6. Step 6: Final answer
    x = 167,286.28

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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.