Home / 133,007.28-183,554.46-72,581.23

Finding the Fourth Proportional to 133,007.28, 183,554.46 and 72,581.23

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Solution

The fourth proportional to 133,007.28, 183,554.46 and 72,581.23 is: 100,164.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,007.28 : 183,554.46 = 72,581.23 : x
  2. Step 2: Convert to fraction form
    133,007.28/183,554.46 = 72,581.23/x
  3. Step 3: Cross multiply
    133,007.28x = 183,554.46 × 72,581.23
  4. Step 4: Simplify right side
    133,007.28x = 13,322,608,478.79
  5. Step 5: Solve for x
    x = 13,322,608,478.79/133,007.28
  6. Step 6: Final answer
    x = 100,164.51

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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.