Home / 133,104.29-183,682.76-72,674.64

Finding the Fourth Proportional to 133,104.29, 183,682.76 and 72,674.64

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Solution

The fourth proportional to 133,104.29, 183,682.76 and 72,674.64 is: 100,290.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,104.29 : 183,682.76 = 72,674.64 : x
  2. Step 2: Convert to fraction form
    133,104.29/183,682.76 = 72,674.64/x
  3. Step 3: Cross multiply
    133,104.29x = 183,682.76 × 72,674.64
  4. Step 4: Simplify right side
    133,104.29x = 13,349,078,093.83
  5. Step 5: Solve for x
    x = 13,349,078,093.83/133,104.29
  6. Step 6: Final answer
    x = 100,290.37

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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.