Home / 140,069.34-193,297.08-76,408.47

Finding the Fourth Proportional to 140,069.34, 193,297.08 and 76,408.47

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Solution

The fourth proportional to 140,069.34, 193,297.08 and 76,408.47 is: 105,444.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,069.34 : 193,297.08 = 76,408.47 : x
  2. Step 2: Convert to fraction form
    140,069.34/193,297.08 = 76,408.47/x
  3. Step 3: Cross multiply
    140,069.34x = 193,297.08 × 76,408.47
  4. Step 4: Simplify right side
    140,069.34x = 14,769,533,171.78
  5. Step 5: Solve for x
    x = 14,769,533,171.78/140,069.34
  6. Step 6: Final answer
    x = 105,444.44

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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.