Home / 193,256.72-266,643.52-111,564.96

Finding the Fourth Proportional to 193,256.72, 266,643.52 and 111,564.96

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Solution

The fourth proportional to 193,256.72, 266,643.52 and 111,564.96 is: 153,930.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,256.72 : 266,643.52 = 111,564.96 : x
  2. Step 2: Convert to fraction form
    193,256.72/266,643.52 = 111,564.96/x
  3. Step 3: Cross multiply
    193,256.72x = 266,643.52 × 111,564.96
  4. Step 4: Simplify right side
    193,256.72x = 29,748,073,643.06
  5. Step 5: Solve for x
    x = 29,748,073,643.06/193,256.72
  6. Step 6: Final answer
    x = 153,930.35

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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.