Home / 118,947.44-164,135.93-71,199.74

Finding the Fourth Proportional to 118,947.44, 164,135.93 and 71,199.74

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Solution

The fourth proportional to 118,947.44, 164,135.93 and 71,199.74 is: 98,248.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,947.44 : 164,135.93 = 71,199.74 : x
  2. Step 2: Convert to fraction form
    118,947.44/164,135.93 = 71,199.74/x
  3. Step 3: Cross multiply
    118,947.44x = 164,135.93 × 71,199.74
  4. Step 4: Simplify right side
    118,947.44x = 11,686,434,363.98
  5. Step 5: Solve for x
    x = 11,686,434,363.98/118,947.44
  6. Step 6: Final answer
    x = 98,248.73

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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.