Home / 188,715.93-260,328.71-112,180.59

Finding the Fourth Proportional to 188,715.93, 260,328.71 and 112,180.59

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Solution

The fourth proportional to 188,715.93, 260,328.71 and 112,180.59 is: 154,750.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,715.93 : 260,328.71 = 112,180.59 : x
  2. Step 2: Convert to fraction form
    188,715.93/260,328.71 = 112,180.59/x
  3. Step 3: Cross multiply
    188,715.93x = 260,328.71 × 112,180.59
  4. Step 4: Simplify right side
    188,715.93x = 29,203,827,720.84
  5. Step 5: Solve for x
    x = 29,203,827,720.84/188,715.93
  6. Step 6: Final answer
    x = 154,750.20

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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.