Home / 108,484.48-161,772.16-99,867.52

Finding the Fourth Proportional to 108,484.48, 161,772.16 and 99,867.52

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Solution

The fourth proportional to 108,484.48, 161,772.16 and 99,867.52 is: 148,922.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,484.48 : 161,772.16 = 99,867.52 : x
  2. Step 2: Convert to fraction form
    108,484.48/161,772.16 = 99,867.52/x
  3. Step 3: Cross multiply
    108,484.48x = 161,772.16 × 99,867.52
  4. Step 4: Simplify right side
    108,484.48x = 16,155,784,424.24
  5. Step 5: Solve for x
    x = 16,155,784,424.24/108,484.48
  6. Step 6: Final answer
    x = 148,922.54

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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.