Home / 130,241.12-179,732.76-70,625.12

Finding the Fourth Proportional to 130,241.12, 179,732.76 and 70,625.12

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Solution

The fourth proportional to 130,241.12, 179,732.76 and 70,625.12 is: 97,462.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,241.12 : 179,732.76 = 70,625.12 : x
  2. Step 2: Convert to fraction form
    130,241.12/179,732.76 = 70,625.12/x
  3. Step 3: Cross multiply
    130,241.12x = 179,732.76 × 70,625.12
  4. Step 4: Simplify right side
    130,241.12x = 12,693,647,742.93
  5. Step 5: Solve for x
    x = 12,693,647,742.93/130,241.12
  6. Step 6: Final answer
    x = 97,462.67

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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.