Home / 252,683.63-348,246.70-209,435.36

Finding the Fourth Proportional to 252,683.63, 348,246.70 and 209,435.36

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Solution

The fourth proportional to 252,683.63, 348,246.70 and 209,435.36 is: 288,642.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,683.63 : 348,246.70 = 209,435.36 : x
  2. Step 2: Convert to fraction form
    252,683.63/348,246.70 = 209,435.36/x
  3. Step 3: Cross multiply
    252,683.63x = 348,246.70 × 209,435.36
  4. Step 4: Simplify right side
    252,683.63x = 72,935,174,115.72
  5. Step 5: Solve for x
    x = 72,935,174,115.72/252,683.63
  6. Step 6: Final answer
    x = 288,642.26

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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.