Home / 168,829.47-253,150.70-69,059.72

Finding the Fourth Proportional to 168,829.47, 253,150.70 and 69,059.72

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Solution

The fourth proportional to 168,829.47, 253,150.70 and 69,059.72 is: 103,551.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,829.47 : 253,150.70 = 69,059.72 : x
  2. Step 2: Convert to fraction form
    168,829.47/253,150.70 = 69,059.72/x
  3. Step 3: Cross multiply
    168,829.47x = 253,150.70 × 69,059.72
  4. Step 4: Simplify right side
    168,829.47x = 17,482,516,459.80
  5. Step 5: Solve for x
    x = 17,482,516,459.80/168,829.47
  6. Step 6: Final answer
    x = 103,551.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.