Home / 140,544.40-193,949.70-76,881.43

Finding the Fourth Proportional to 140,544.40, 193,949.70 and 76,881.43

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Solution

The fourth proportional to 140,544.40, 193,949.70 and 76,881.43 is: 106,095.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,544.40 : 193,949.70 = 76,881.43 : x
  2. Step 2: Convert to fraction form
    140,544.40/193,949.70 = 76,881.43/x
  3. Step 3: Cross multiply
    140,544.40x = 193,949.70 × 76,881.43
  4. Step 4: Simplify right side
    140,544.40x = 14,911,130,284.07
  5. Step 5: Solve for x
    x = 14,911,130,284.07/140,544.40
  6. Step 6: Final answer
    x = 106,095.51

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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.