Home / 176,133.25-243,063.89-100,683.37

Finding the Fourth Proportional to 176,133.25, 243,063.89 and 100,683.37

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Solution

The fourth proportional to 176,133.25, 243,063.89 and 100,683.37 is: 138,943.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,133.25 : 243,063.89 = 100,683.37 : x
  2. Step 2: Convert to fraction form
    176,133.25/243,063.89 = 100,683.37/x
  3. Step 3: Cross multiply
    176,133.25x = 243,063.89 × 100,683.37
  4. Step 4: Simplify right side
    176,133.25x = 24,472,491,570.51
  5. Step 5: Solve for x
    x = 24,472,491,570.51/176,133.25
  6. Step 6: Final answer
    x = 138,943.05

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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.