Home / 140,447.12-193,802.09-83,088.59

Finding the Fourth Proportional to 140,447.12, 193,802.09 and 83,088.59

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Solution

The fourth proportional to 140,447.12, 193,802.09 and 83,088.59 is: 114,653.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,447.12 : 193,802.09 = 83,088.59 : x
  2. Step 2: Convert to fraction form
    140,447.12/193,802.09 = 83,088.59/x
  3. Step 3: Cross multiply
    140,447.12x = 193,802.09 × 83,088.59
  4. Step 4: Simplify right side
    140,447.12x = 16,102,741,012.70
  5. Step 5: Solve for x
    x = 16,102,741,012.70/140,447.12
  6. Step 6: Final answer
    x = 114,653.41

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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.