Home / 140,054.40-193,337.28-83,485.44

Finding the Fourth Proportional to 140,054.40, 193,337.28 and 83,485.44

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Solution

The fourth proportional to 140,054.40, 193,337.28 and 83,485.44 is: 115,246.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,054.40 : 193,337.28 = 83,485.44 : x
  2. Step 2: Convert to fraction form
    140,054.40/193,337.28 = 83,485.44/x
  3. Step 3: Cross multiply
    140,054.40x = 193,337.28 × 83,485.44
  4. Step 4: Simplify right side
    140,054.40x = 16,140,847,889.20
  5. Step 5: Solve for x
    x = 16,140,847,889.20/140,054.40
  6. Step 6: Final answer
    x = 115,246.99

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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.