Home / 126,775.86-190,260.19-46,889.40

Finding the Fourth Proportional to 126,775.86, 190,260.19 and 46,889.40

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Solution

The fourth proportional to 126,775.86, 190,260.19 and 46,889.40 is: 70,369.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,775.86 : 190,260.19 = 46,889.40 : x
  2. Step 2: Convert to fraction form
    126,775.86/190,260.19 = 46,889.40/x
  3. Step 3: Cross multiply
    126,775.86x = 190,260.19 × 46,889.40
  4. Step 4: Simplify right side
    126,775.86x = 8,921,186,152.99
  5. Step 5: Solve for x
    x = 8,921,186,152.99/126,775.86
  6. Step 6: Final answer
    x = 70,369.75

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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.