Home / 126,681.51-190,049.34-46,719.69

Finding the Fourth Proportional to 126,681.51, 190,049.34 and 46,719.69

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Solution

The fourth proportional to 126,681.51, 190,049.34 and 46,719.69 is: 70,089.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,681.51 : 190,049.34 = 46,719.69 : x
  2. Step 2: Convert to fraction form
    126,681.51/190,049.34 = 46,719.69/x
  3. Step 3: Cross multiply
    126,681.51x = 190,049.34 × 46,719.69
  4. Step 4: Simplify right side
    126,681.51x = 8,879,046,249.50
  5. Step 5: Solve for x
    x = 8,879,046,249.50/126,681.51
  6. Step 6: Final answer
    x = 70,089.52

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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.