Home / 126,918.09-190,352.52-48,038.47

Finding the Fourth Proportional to 126,918.09, 190,352.52 and 48,038.47

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Solution

The fourth proportional to 126,918.09, 190,352.52 and 48,038.47 is: 72,048.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,918.09 : 190,352.52 = 48,038.47 : x
  2. Step 2: Convert to fraction form
    126,918.09/190,352.52 = 48,038.47/x
  3. Step 3: Cross multiply
    126,918.09x = 190,352.52 × 48,038.47
  4. Step 4: Simplify right side
    126,918.09x = 9,144,243,345.56
  5. Step 5: Solve for x
    x = 9,144,243,345.56/126,918.09
  6. Step 6: Final answer
    x = 72,048.38

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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.