Home / 133,070.05-183,609.24-76,470.49

Finding the Fourth Proportional to 133,070.05, 183,609.24 and 76,470.49

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Solution

The fourth proportional to 133,070.05, 183,609.24 and 76,470.49 is: 105,513.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,070.05 : 183,609.24 = 76,470.49 : x
  2. Step 2: Convert to fraction form
    133,070.05/183,609.24 = 76,470.49/x
  3. Step 3: Cross multiply
    133,070.05x = 183,609.24 × 76,470.49
  4. Step 4: Simplify right side
    133,070.05x = 14,040,688,551.33
  5. Step 5: Solve for x
    x = 14,040,688,551.33/133,070.05
  6. Step 6: Final answer
    x = 105,513.51

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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.