Home / 144,606.09-199,558.45-83,318.47

Finding the Fourth Proportional to 144,606.09, 199,558.45 and 83,318.47

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Solution

The fourth proportional to 144,606.09, 199,558.45 and 83,318.47 is: 114,980.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,606.09 : 199,558.45 = 83,318.47 : x
  2. Step 2: Convert to fraction form
    144,606.09/199,558.45 = 83,318.47/x
  3. Step 3: Cross multiply
    144,606.09x = 199,558.45 × 83,318.47
  4. Step 4: Simplify right side
    144,606.09x = 16,626,904,521.28
  5. Step 5: Solve for x
    x = 16,626,904,521.28/144,606.09
  6. Step 6: Final answer
    x = 114,980.67

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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.