Home / 108,587.09-162,137.91-97,269.37

Finding the Fourth Proportional to 108,587.09, 162,137.91 and 97,269.37

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Solution

The fourth proportional to 108,587.09, 162,137.91 and 97,269.37 is: 145,238.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,587.09 : 162,137.91 = 97,269.37 : x
  2. Step 2: Convert to fraction form
    108,587.09/162,137.91 = 97,269.37/x
  3. Step 3: Cross multiply
    108,587.09x = 162,137.91 × 97,269.37
  4. Step 4: Simplify right side
    108,587.09x = 15,771,051,953.47
  5. Step 5: Solve for x
    x = 15,771,051,953.47/108,587.09
  6. Step 6: Final answer
    x = 145,238.74

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.