Home / 340,690.24-470,173.18-187,728.25

Finding the Fourth Proportional to 340,690.24, 470,173.18 and 187,728.25

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Solution

The fourth proportional to 340,690.24, 470,173.18 and 187,728.25 is: 259,076.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,690.24 : 470,173.18 = 187,728.25 : x
  2. Step 2: Convert to fraction form
    340,690.24/470,173.18 = 187,728.25/x
  3. Step 3: Cross multiply
    340,690.24x = 470,173.18 × 187,728.25
  4. Step 4: Simplify right side
    340,690.24x = 88,264,788,278.34
  5. Step 5: Solve for x
    x = 88,264,788,278.34/340,690.24
  6. Step 6: Final answer
    x = 259,076.36

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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.