Home / 202,211.17-279,053.49-111,570.28

Finding the Fourth Proportional to 202,211.17, 279,053.49 and 111,570.28

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Solution

The fourth proportional to 202,211.17, 279,053.49 and 111,570.28 is: 153,968.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,211.17 : 279,053.49 = 111,570.28 : x
  2. Step 2: Convert to fraction form
    202,211.17/279,053.49 = 111,570.28/x
  3. Step 3: Cross multiply
    202,211.17x = 279,053.49 × 111,570.28
  4. Step 4: Simplify right side
    202,211.17x = 31,134,076,014.28
  5. Step 5: Solve for x
    x = 31,134,076,014.28/202,211.17
  6. Step 6: Final answer
    x = 153,968.13

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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.