Home / 188,037.42-259,470.54-111,528.96

Finding the Fourth Proportional to 188,037.42, 259,470.54 and 111,528.96

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Solution

The fourth proportional to 188,037.42, 259,470.54 and 111,528.96 is: 153,897.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,037.42 : 259,470.54 = 111,528.96 : x
  2. Step 2: Convert to fraction form
    188,037.42/259,470.54 = 111,528.96/x
  3. Step 3: Cross multiply
    188,037.42x = 259,470.54 × 111,528.96
  4. Step 4: Simplify right side
    188,037.42x = 28,938,479,476.84
  5. Step 5: Solve for x
    x = 28,938,479,476.84/188,037.42
  6. Step 6: Final answer
    x = 153,897.45

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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.