Home / 145,107.16-200,256.86-96,625.96

Finding the Fourth Proportional to 145,107.16, 200,256.86 and 96,625.96

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Solution

The fourth proportional to 145,107.16, 200,256.86 and 96,625.96 is: 133,349.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,107.16 : 200,256.86 = 96,625.96 : x
  2. Step 2: Convert to fraction form
    145,107.16/200,256.86 = 96,625.96/x
  3. Step 3: Cross multiply
    145,107.16x = 200,256.86 × 96,625.96
  4. Step 4: Simplify right side
    145,107.16x = 19,350,011,344.09
  5. Step 5: Solve for x
    x = 19,350,011,344.09/145,107.16
  6. Step 6: Final answer
    x = 133,349.80

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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.