Home / 108,587.66-162,138.77-97,269.93

Finding the Fourth Proportional to 108,587.66, 162,138.77 and 97,269.93

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Solution

The fourth proportional to 108,587.66, 162,138.77 and 97,269.93 is: 145,239.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,587.66 : 162,138.77 = 97,269.93 : x
  2. Step 2: Convert to fraction form
    108,587.66/162,138.77 = 97,269.93/x
  3. Step 3: Cross multiply
    108,587.66x = 162,138.77 × 97,269.93
  4. Step 4: Simplify right side
    108,587.66x = 15,771,226,808.19
  5. Step 5: Solve for x
    x = 15,771,226,808.19/108,587.66
  6. Step 6: Final answer
    x = 145,239.59

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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.