Home / 197,355.07-272,330.85-111,327.58

Finding the Fourth Proportional to 197,355.07, 272,330.85 and 111,327.58

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Solution

The fourth proportional to 197,355.07, 272,330.85 and 111,327.58 is: 153,621.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,355.07 : 272,330.85 = 111,327.58 : x
  2. Step 2: Convert to fraction form
    197,355.07/272,330.85 = 111,327.58/x
  3. Step 3: Cross multiply
    197,355.07x = 272,330.85 × 111,327.58
  4. Step 4: Simplify right side
    197,355.07x = 30,317,934,489.84
  5. Step 5: Solve for x
    x = 30,317,934,489.84/197,355.07
  6. Step 6: Final answer
    x = 153,621.26

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1.5x scale

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.