Home / 133,661.18-200,477.65-70,455.97

Finding the Fourth Proportional to 133,661.18, 200,477.65 and 70,455.97

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Solution

The fourth proportional to 133,661.18, 200,477.65 and 70,455.97 is: 105,676.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,661.18 : 200,477.65 = 70,455.97 : x
  2. Step 2: Convert to fraction form
    133,661.18/200,477.65 = 70,455.97/x
  3. Step 3: Cross multiply
    133,661.18x = 200,477.65 × 70,455.97
  4. Step 4: Simplify right side
    133,661.18x = 14,124,847,294.07
  5. Step 5: Solve for x
    x = 14,124,847,294.07/133,661.18
  6. Step 6: Final answer
    x = 105,676.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.