Home / 190,947.76-263,478.59-110,359.64

Finding the Fourth Proportional to 190,947.76, 263,478.59 and 110,359.64

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Solution

The fourth proportional to 190,947.76, 263,478.59 and 110,359.64 is: 152,279.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,947.76 : 263,478.59 = 110,359.64 : x
  2. Step 2: Convert to fraction form
    190,947.76/263,478.59 = 110,359.64/x
  3. Step 3: Cross multiply
    190,947.76x = 263,478.59 × 110,359.64
  4. Step 4: Simplify right side
    190,947.76x = 29,077,403,274.70
  5. Step 5: Solve for x
    x = 29,077,403,274.70/190,947.76
  6. Step 6: Final answer
    x = 152,279.37

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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.