Home / 366,112.41-549,152.20-99,872.07

Finding the Fourth Proportional to 366,112.41, 549,152.20 and 99,872.07

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Solution

The fourth proportional to 366,112.41, 549,152.20 and 99,872.07 is: 149,803.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,112.41 : 549,152.20 = 99,872.07 : x
  2. Step 2: Convert to fraction form
    366,112.41/549,152.20 = 99,872.07/x
  3. Step 3: Cross multiply
    366,112.41x = 549,152.20 × 99,872.07
  4. Step 4: Simplify right side
    366,112.41x = 54,844,966,959.05
  5. Step 5: Solve for x
    x = 54,844,966,959.05/366,112.41
  6. Step 6: Final answer
    x = 149,803.63

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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.