Home / 130,932.14-180,701.75-73,571.58

Finding the Fourth Proportional to 130,932.14, 180,701.75 and 73,571.58

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Solution

The fourth proportional to 130,932.14, 180,701.75 and 73,571.58 is: 101,537.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,932.14 : 180,701.75 = 73,571.58 : x
  2. Step 2: Convert to fraction form
    130,932.14/180,701.75 = 73,571.58/x
  3. Step 3: Cross multiply
    130,932.14x = 180,701.75 × 73,571.58
  4. Step 4: Simplify right side
    130,932.14x = 13,294,513,440.19
  5. Step 5: Solve for x
    x = 13,294,513,440.19/130,932.14
  6. Step 6: Final answer
    x = 101,537.44

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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.