Home / 225,709.04-311,466.48-130,210.04

Finding the Fourth Proportional to 225,709.04, 311,466.48 and 130,210.04

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Solution

The fourth proportional to 225,709.04, 311,466.48 and 130,210.04 is: 179,682.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,709.04 : 311,466.48 = 130,210.04 : x
  2. Step 2: Convert to fraction form
    225,709.04/311,466.48 = 130,210.04/x
  3. Step 3: Cross multiply
    225,709.04x = 311,466.48 × 130,210.04
  4. Step 4: Simplify right side
    225,709.04x = 40,556,062,819.46
  5. Step 5: Solve for x
    x = 40,556,062,819.46/225,709.04
  6. Step 6: Final answer
    x = 179,682.94

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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.