Home / 118,453.08-163,464.94-64,738.14

Finding the Fourth Proportional to 118,453.08, 163,464.94 and 64,738.14

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Solution

The fourth proportional to 118,453.08, 163,464.94 and 64,738.14 is: 89,338.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,453.08 : 163,464.94 = 64,738.14 : x
  2. Step 2: Convert to fraction form
    118,453.08/163,464.94 = 64,738.14/x
  3. Step 3: Cross multiply
    118,453.08x = 163,464.94 × 64,738.14
  4. Step 4: Simplify right side
    118,453.08x = 10,582,415,274.59
  5. Step 5: Solve for x
    x = 10,582,415,274.59/118,453.08
  6. Step 6: Final answer
    x = 89,338.45

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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.