Home / 118,824.82-163,923.39-105,226.76

Finding the Fourth Proportional to 118,824.82, 163,923.39 and 105,226.76

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Solution

The fourth proportional to 118,824.82, 163,923.39 and 105,226.76 is: 145,164.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,824.82 : 163,923.39 = 105,226.76 : x
  2. Step 2: Convert to fraction form
    118,824.82/163,923.39 = 105,226.76/x
  3. Step 3: Cross multiply
    118,824.82x = 163,923.39 × 105,226.76
  4. Step 4: Simplify right side
    118,824.82x = 17,249,127,627.72
  5. Step 5: Solve for x
    x = 17,249,127,627.72/118,824.82
  6. Step 6: Final answer
    x = 145,164.35

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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.