Home / 133,039.67-199,386.23-54,061.56

Finding the Fourth Proportional to 133,039.67, 199,386.23 and 54,061.56

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Solution

The fourth proportional to 133,039.67, 199,386.23 and 54,061.56 is: 81,021.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,039.67 : 199,386.23 = 54,061.56 : x
  2. Step 2: Convert to fraction form
    133,039.67/199,386.23 = 54,061.56/x
  3. Step 3: Cross multiply
    133,039.67x = 199,386.23 × 54,061.56
  4. Step 4: Simplify right side
    133,039.67x = 10,779,130,636.32
  5. Step 5: Solve for x
    x = 10,779,130,636.32/133,039.67
  6. Step 6: Final answer
    x = 81,021.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.