Home / 183,546.32-253,407.35-122,378.56

Finding the Fourth Proportional to 183,546.32, 253,407.35 and 122,378.56

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Solution

The fourth proportional to 183,546.32, 253,407.35 and 122,378.56 is: 168,958.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,546.32 : 253,407.35 = 122,378.56 : x
  2. Step 2: Convert to fraction form
    183,546.32/253,407.35 = 122,378.56/x
  3. Step 3: Cross multiply
    183,546.32x = 253,407.35 × 122,378.56
  4. Step 4: Simplify right side
    183,546.32x = 31,011,626,258.84
  5. Step 5: Solve for x
    x = 31,011,626,258.84/183,546.32
  6. Step 6: Final answer
    x = 168,958.04

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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.