Home / 118,350.28-163,322.52-64,635.28

Finding the Fourth Proportional to 118,350.28, 163,322.52 and 64,635.28

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Solution

The fourth proportional to 118,350.28, 163,322.52 and 64,635.28 is: 89,196.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,350.28 : 163,322.52 = 64,635.28 : x
  2. Step 2: Convert to fraction form
    118,350.28/163,322.52 = 64,635.28/x
  3. Step 3: Cross multiply
    118,350.28x = 163,322.52 × 64,635.28
  4. Step 4: Simplify right side
    118,350.28x = 10,556,396,810.51
  5. Step 5: Solve for x
    x = 10,556,396,810.51/118,350.28
  6. Step 6: Final answer
    x = 89,196.21

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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.