Home / 210,022.80-314,969.52-60,222.96

Finding the Fourth Proportional to 210,022.80, 314,969.52 and 60,222.96

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Solution

The fourth proportional to 210,022.80, 314,969.52 and 60,222.96 is: 90,315.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,022.80 : 314,969.52 = 60,222.96 : x
  2. Step 2: Convert to fraction form
    210,022.80/314,969.52 = 60,222.96/x
  3. Step 3: Cross multiply
    210,022.80x = 314,969.52 × 60,222.96
  4. Step 4: Simplify right side
    210,022.80x = 18,968,396,804.18
  5. Step 5: Solve for x
    x = 18,968,396,804.18/210,022.80
  6. Step 6: Final answer
    x = 90,315.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.