Home / 124,145.36-185,887.52-84,779.36

Finding the Fourth Proportional to 124,145.36, 185,887.52 and 84,779.36

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Solution

The fourth proportional to 124,145.36, 185,887.52 and 84,779.36 is: 126,943.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,145.36 : 185,887.52 = 84,779.36 : x
  2. Step 2: Convert to fraction form
    124,145.36/185,887.52 = 84,779.36/x
  3. Step 3: Cross multiply
    124,145.36x = 185,887.52 × 84,779.36
  4. Step 4: Simplify right side
    124,145.36x = 15,759,424,977.59
  5. Step 5: Solve for x
    x = 15,759,424,977.59/124,145.36
  6. Step 6: Final answer
    x = 126,943.33

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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.