Home / 132,225.56-182,503.68-81,250.64

Finding the Fourth Proportional to 132,225.56, 182,503.68 and 81,250.64

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Solution

The fourth proportional to 132,225.56, 182,503.68 and 81,250.64 is: 112,145.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,225.56 : 182,503.68 = 81,250.64 : x
  2. Step 2: Convert to fraction form
    132,225.56/182,503.68 = 81,250.64/x
  3. Step 3: Cross multiply
    132,225.56x = 182,503.68 × 81,250.64
  4. Step 4: Simplify right side
    132,225.56x = 14,828,540,802.36
  5. Step 5: Solve for x
    x = 14,828,540,802.36/132,225.56
  6. Step 6: Final answer
    x = 112,145.80

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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.