Home / 340,816.32-470,327.04-189,910.08

Finding the Fourth Proportional to 340,816.32, 470,327.04 and 189,910.08

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Solution

The fourth proportional to 340,816.32, 470,327.04 and 189,910.08 is: 262,076.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,816.32 : 470,327.04 = 189,910.08 : x
  2. Step 2: Convert to fraction form
    340,816.32/470,327.04 = 189,910.08/x
  3. Step 3: Cross multiply
    340,816.32x = 470,327.04 × 189,910.08
  4. Step 4: Simplify right side
    340,816.32x = 89,319,845,792.56
  5. Step 5: Solve for x
    x = 89,319,845,792.56/340,816.32
  6. Step 6: Final answer
    x = 262,076.20

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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.