Home / 209,514.20-314,271.30-125,533.40

Finding the Fourth Proportional to 209,514.20, 314,271.30 and 125,533.40

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Solution

The fourth proportional to 209,514.20, 314,271.30 and 125,533.40 is: 188,300.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,514.20 : 314,271.30 = 125,533.40 : x
  2. Step 2: Convert to fraction form
    209,514.20/314,271.30 = 125,533.40/x
  3. Step 3: Cross multiply
    209,514.20x = 314,271.30 × 125,533.40
  4. Step 4: Simplify right side
    209,514.20x = 39,451,544,811.42
  5. Step 5: Solve for x
    x = 39,451,544,811.42/209,514.20
  6. Step 6: Final answer
    x = 188,300.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.