Home / 140,014.17-193,216.59-76,350.60

Finding the Fourth Proportional to 140,014.17, 193,216.59 and 76,350.60

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Solution

The fourth proportional to 140,014.17, 193,216.59 and 76,350.60 is: 105,362.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,014.17 : 193,216.59 = 76,350.60 : x
  2. Step 2: Convert to fraction form
    140,014.17/193,216.59 = 76,350.60/x
  3. Step 3: Cross multiply
    140,014.17x = 193,216.59 × 76,350.60
  4. Step 4: Simplify right side
    140,014.17x = 14,752,202,576.45
  5. Step 5: Solve for x
    x = 14,752,202,576.45/140,014.17
  6. Step 6: Final answer
    x = 105,362.21

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1.5x scale

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.