Home / 153,896.07-212,380.16-96,537.81

Finding the Fourth Proportional to 153,896.07, 212,380.16 and 96,537.81

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Solution

The fourth proportional to 153,896.07, 212,380.16 and 96,537.81 is: 133,224.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,896.07 : 212,380.16 = 96,537.81 : x
  2. Step 2: Convert to fraction form
    153,896.07/212,380.16 = 96,537.81/x
  3. Step 3: Cross multiply
    153,896.07x = 212,380.16 × 96,537.81
  4. Step 4: Simplify right side
    153,896.07x = 20,502,715,051.16
  5. Step 5: Solve for x
    x = 20,502,715,051.16/153,896.07
  6. Step 6: Final answer
    x = 133,224.42

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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.