Home / 118,369.08-163,344.60-64,656.03

Finding the Fourth Proportional to 118,369.08, 163,344.60 and 64,656.03

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Solution

The fourth proportional to 118,369.08, 163,344.60 and 64,656.03 is: 89,222.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,369.08 : 163,344.60 = 64,656.03 : x
  2. Step 2: Convert to fraction form
    118,369.08/163,344.60 = 64,656.03/x
  3. Step 3: Cross multiply
    118,369.08x = 163,344.60 × 64,656.03
  4. Step 4: Simplify right side
    118,369.08x = 10,561,213,357.94
  5. Step 5: Solve for x
    x = 10,561,213,357.94/118,369.08
  6. Step 6: Final answer
    x = 89,222.74

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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.