Home / 140,303.73-193,611.93-76,629.23

Finding the Fourth Proportional to 140,303.73, 193,611.93 and 76,629.23

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Solution

The fourth proportional to 140,303.73, 193,611.93 and 76,629.23 is: 105,744.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,303.73 : 193,611.93 = 76,629.23 : x
  2. Step 2: Convert to fraction form
    140,303.73/193,611.93 = 76,629.23/x
  3. Step 3: Cross multiply
    140,303.73x = 193,611.93 × 76,629.23
  4. Step 4: Simplify right side
    140,303.73x = 14,836,333,114.71
  5. Step 5: Solve for x
    x = 14,836,333,114.71/140,303.73
  6. Step 6: Final answer
    x = 105,744.40

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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.