Home / 340,774.31-470,266.98-187,812.17

Finding the Fourth Proportional to 340,774.31, 470,266.98 and 187,812.17

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Solution

The fourth proportional to 340,774.31, 470,266.98 and 187,812.17 is: 259,179.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,774.31 : 470,266.98 = 187,812.17 : x
  2. Step 2: Convert to fraction form
    340,774.31/470,266.98 = 187,812.17/x
  3. Step 3: Cross multiply
    340,774.31x = 470,266.98 × 187,812.17
  4. Step 4: Simplify right side
    340,774.31x = 88,321,861,993.15
  5. Step 5: Solve for x
    x = 88,321,861,993.15/340,774.31
  6. Step 6: Final answer
    x = 259,179.93

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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.