Home / 133,066.40-183,604.20-76,466.84

Finding the Fourth Proportional to 133,066.40, 183,604.20 and 76,466.84

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Solution

The fourth proportional to 133,066.40, 183,604.20 and 76,466.84 is: 105,508.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,066.40 : 183,604.20 = 76,466.84 : x
  2. Step 2: Convert to fraction form
    133,066.40/183,604.20 = 76,466.84/x
  3. Step 3: Cross multiply
    133,066.40x = 183,604.20 × 76,466.84
  4. Step 4: Simplify right side
    133,066.40x = 14,039,632,984.73
  5. Step 5: Solve for x
    x = 14,039,632,984.73/133,066.40
  6. Step 6: Final answer
    x = 105,508.48

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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.