Home / 118,350.21-163,322.19-64,635.06

Finding the Fourth Proportional to 118,350.21, 163,322.19 and 64,635.06

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Solution

The fourth proportional to 118,350.21, 163,322.19 and 64,635.06 is: 89,195.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,350.21 : 163,322.19 = 64,635.06 : x
  2. Step 2: Convert to fraction form
    118,350.21/163,322.19 = 64,635.06/x
  3. Step 3: Cross multiply
    118,350.21x = 163,322.19 × 64,635.06
  4. Step 4: Simplify right side
    118,350.21x = 10,556,339,549.98
  5. Step 5: Solve for x
    x = 10,556,339,549.98/118,350.21
  6. Step 6: Final answer
    x = 89,195.78

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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.