Home / 340,915.92-470,467.23-187,959.57

Finding the Fourth Proportional to 340,915.92, 470,467.23 and 187,959.57

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Solution

The fourth proportional to 340,915.92, 470,467.23 and 187,959.57 is: 259,386.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,915.92 : 470,467.23 = 187,959.57 : x
  2. Step 2: Convert to fraction form
    340,915.92/470,467.23 = 187,959.57/x
  3. Step 3: Cross multiply
    340,915.92x = 470,467.23 × 187,959.57
  4. Step 4: Simplify right side
    340,915.92x = 88,428,818,249.89
  5. Step 5: Solve for x
    x = 88,428,818,249.89/340,915.92
  6. Step 6: Final answer
    x = 259,386.00

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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.