Home / 340,925.45-470,478.30-187,960.29

Finding the Fourth Proportional to 340,925.45, 470,478.30 and 187,960.29

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Solution

The fourth proportional to 340,925.45, 470,478.30 and 187,960.29 is: 259,385.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,925.45 : 470,478.30 = 187,960.29 : x
  2. Step 2: Convert to fraction form
    340,925.45/470,478.30 = 187,960.29/x
  3. Step 3: Cross multiply
    340,925.45x = 470,478.30 × 187,960.29
  4. Step 4: Simplify right side
    340,925.45x = 88,431,237,706.71
  5. Step 5: Solve for x
    x = 88,431,237,706.71/340,925.45
  6. Step 6: Final answer
    x = 259,385.85

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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.