Home / 154,049.41-212,588.22-86,066.20

Finding the Fourth Proportional to 154,049.41, 212,588.22 and 86,066.20

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Solution

The fourth proportional to 154,049.41, 212,588.22 and 86,066.20 is: 118,771.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,049.41 : 212,588.22 = 86,066.20 : x
  2. Step 2: Convert to fraction form
    154,049.41/212,588.22 = 86,066.20/x
  3. Step 3: Cross multiply
    154,049.41x = 212,588.22 × 86,066.20
  4. Step 4: Simplify right side
    154,049.41x = 18,296,660,260.16
  5. Step 5: Solve for x
    x = 18,296,660,260.16/154,049.41
  6. Step 6: Final answer
    x = 118,771.38

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Double scale
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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.