Home / 202,585.17-279,570.50-111,943.23

Finding the Fourth Proportional to 202,585.17, 279,570.50 and 111,943.23

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Solution

The fourth proportional to 202,585.17, 279,570.50 and 111,943.23 is: 154,483.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,585.17 : 279,570.50 = 111,943.23 : x
  2. Step 2: Convert to fraction form
    202,585.17/279,570.50 = 111,943.23/x
  3. Step 3: Cross multiply
    202,585.17x = 279,570.50 × 111,943.23
  4. Step 4: Simplify right side
    202,585.17x = 31,296,024,223.00
  5. Step 5: Solve for x
    x = 31,296,024,223.00/202,585.17
  6. Step 6: Final answer
    x = 154,483.29

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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.