Home / 340,746.37-470,233.20-187,790.07

Finding the Fourth Proportional to 340,746.37, 470,233.20 and 187,790.07

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Solution

The fourth proportional to 340,746.37, 470,233.20 and 187,790.07 is: 259,152.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,746.37 : 470,233.20 = 187,790.07 : x
  2. Step 2: Convert to fraction form
    340,746.37/470,233.20 = 187,790.07/x
  3. Step 3: Cross multiply
    340,746.37x = 470,233.20 × 187,790.07
  4. Step 4: Simplify right side
    340,746.37x = 88,305,125,544.32
  5. Step 5: Solve for x
    x = 88,305,125,544.32/340,746.37
  6. Step 6: Final answer
    x = 259,152.07

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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.