Home / 197,305.01-272,307.57-111,281.66

Finding the Fourth Proportional to 197,305.01, 272,307.57 and 111,281.66

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Solution

The fourth proportional to 197,305.01, 272,307.57 and 111,281.66 is: 153,583.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,305.01 : 272,307.57 = 111,281.66 : x
  2. Step 2: Convert to fraction form
    197,305.01/272,307.57 = 111,281.66/x
  3. Step 3: Cross multiply
    197,305.01x = 272,307.57 × 111,281.66
  4. Step 4: Simplify right side
    197,305.01x = 30,302,838,420.17
  5. Step 5: Solve for x
    x = 30,302,838,420.17/197,305.01
  6. Step 6: Final answer
    x = 153,583.73

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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.