Home / 130,367.13-179,906.64-70,751.13

Finding the Fourth Proportional to 130,367.13, 179,906.64 and 70,751.13

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Solution

The fourth proportional to 130,367.13, 179,906.64 and 70,751.13 is: 97,636.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,367.13 : 179,906.64 = 70,751.13 : x
  2. Step 2: Convert to fraction form
    130,367.13/179,906.64 = 70,751.13/x
  3. Step 3: Cross multiply
    130,367.13x = 179,906.64 × 70,751.13
  4. Step 4: Simplify right side
    130,367.13x = 12,728,598,074.50
  5. Step 5: Solve for x
    x = 12,728,598,074.50/130,367.13
  6. Step 6: Final answer
    x = 97,636.56

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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.