Home / 183,555.46-253,378.56-130,119.76

Finding the Fourth Proportional to 183,555.46, 253,378.56 and 130,119.76

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Solution

The fourth proportional to 183,555.46, 253,378.56 and 130,119.76 is: 179,616.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,555.46 : 253,378.56 = 130,119.76 : x
  2. Step 2: Convert to fraction form
    183,555.46/253,378.56 = 130,119.76/x
  3. Step 3: Cross multiply
    183,555.46x = 253,378.56 × 130,119.76
  4. Step 4: Simplify right side
    183,555.46x = 32,969,557,416.35
  5. Step 5: Solve for x
    x = 32,969,557,416.35/183,555.46
  6. Step 6: Final answer
    x = 179,616.33

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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.