Home / 340,905.35-470,452.41-187,948.95

Finding the Fourth Proportional to 340,905.35, 470,452.41 and 187,948.95

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Solution

The fourth proportional to 340,905.35, 470,452.41 and 187,948.95 is: 259,371.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,905.35 : 470,452.41 = 187,948.95 : x
  2. Step 2: Convert to fraction form
    340,905.35/470,452.41 = 187,948.95/x
  3. Step 3: Cross multiply
    340,905.35x = 470,452.41 × 187,948.95
  4. Step 4: Simplify right side
    340,905.35x = 88,421,036,484.47
  5. Step 5: Solve for x
    x = 88,421,036,484.47/340,905.35
  6. Step 6: Final answer
    x = 259,371.22

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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.