Home / 197,575.20-272,656.53-111,539.03

Finding the Fourth Proportional to 197,575.20, 272,656.53 and 111,539.03

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Solution

The fourth proportional to 197,575.20, 272,656.53 and 111,539.03 is: 153,925.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,575.20 : 272,656.53 = 111,539.03 : x
  2. Step 2: Convert to fraction form
    197,575.20/272,656.53 = 111,539.03/x
  3. Step 3: Cross multiply
    197,575.20x = 272,656.53 × 111,539.03
  4. Step 4: Simplify right side
    197,575.20x = 30,411,843,516.08
  5. Step 5: Solve for x
    x = 30,411,843,516.08/197,575.20
  6. Step 6: Final answer
    x = 153,925.41

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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.