Home / 197,671.19-272,805.77-112,801.01

Finding the Fourth Proportional to 197,671.19, 272,805.77 and 112,801.01

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Solution

The fourth proportional to 197,671.19, 272,805.77 and 112,801.01 is: 155,676.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,671.19 : 272,805.77 = 112,801.01 : x
  2. Step 2: Convert to fraction form
    197,671.19/272,805.77 = 112,801.01/x
  3. Step 3: Cross multiply
    197,671.19x = 272,805.77 × 112,801.01
  4. Step 4: Simplify right side
    197,671.19x = 30,772,765,307.80
  5. Step 5: Solve for x
    x = 30,772,765,307.80/197,671.19
  6. Step 6: Final answer
    x = 155,676.54

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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.