Home / 149,032.26-205,663.50-84,513.69

Finding the Fourth Proportional to 149,032.26, 205,663.50 and 84,513.69

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Solution

The fourth proportional to 149,032.26, 205,663.50 and 84,513.69 is: 116,628.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,032.26 : 205,663.50 = 84,513.69 : x
  2. Step 2: Convert to fraction form
    149,032.26/205,663.50 = 84,513.69/x
  3. Step 3: Cross multiply
    149,032.26x = 205,663.50 × 84,513.69
  4. Step 4: Simplify right side
    149,032.26x = 17,381,381,283.32
  5. Step 5: Solve for x
    x = 17,381,381,283.32/149,032.26
  6. Step 6: Final answer
    x = 116,628.31

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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.