Home / 340,718.22-470,184.80-187,770.57

Finding the Fourth Proportional to 340,718.22, 470,184.80 and 187,770.57

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Solution

The fourth proportional to 340,718.22, 470,184.80 and 187,770.57 is: 259,119.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,718.22 : 470,184.80 = 187,770.57 : x
  2. Step 2: Convert to fraction form
    340,718.22/470,184.80 = 187,770.57/x
  3. Step 3: Cross multiply
    340,718.22x = 470,184.80 × 187,770.57
  4. Step 4: Simplify right side
    340,718.22x = 88,286,866,962.48
  5. Step 5: Solve for x
    x = 88,286,866,962.48/340,718.22
  6. Step 6: Final answer
    x = 259,119.89

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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.