Home / 140,069.09-193,296.74-76,408.22

Finding the Fourth Proportional to 140,069.09, 193,296.74 and 76,408.22

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Solution

The fourth proportional to 140,069.09, 193,296.74 and 76,408.22 is: 105,444.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,069.09 : 193,296.74 = 76,408.22 : x
  2. Step 2: Convert to fraction form
    140,069.09/193,296.74 = 76,408.22/x
  3. Step 3: Cross multiply
    140,069.09x = 193,296.74 × 76,408.22
  4. Step 4: Simplify right side
    140,069.09x = 14,769,459,835.20
  5. Step 5: Solve for x
    x = 14,769,459,835.20/140,069.09
  6. Step 6: Final answer
    x = 105,444.11

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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.