Home / 197,627.08-272,657.22-111,575.32

Finding the Fourth Proportional to 197,627.08, 272,657.22 and 111,575.32

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Solution

The fourth proportional to 197,627.08, 272,657.22 and 111,575.32 is: 153,935.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,627.08 : 272,657.22 = 111,575.32 : x
  2. Step 2: Convert to fraction form
    197,627.08/272,657.22 = 111,575.32/x
  3. Step 3: Cross multiply
    197,627.08x = 272,657.22 × 111,575.32
  4. Step 4: Simplify right side
    197,627.08x = 30,421,816,571.81
  5. Step 5: Solve for x
    x = 30,421,816,571.81/197,627.08
  6. Step 6: Final answer
    x = 153,935.47

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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.