Home / 265,438.36-398,161.20-176,053.86

Finding the Fourth Proportional to 265,438.36, 398,161.20 and 176,053.86

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Solution

The fourth proportional to 265,438.36, 398,161.20 and 176,053.86 is: 264,083.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,438.36 : 398,161.20 = 176,053.86 : x
  2. Step 2: Convert to fraction form
    265,438.36/398,161.20 = 176,053.86/x
  3. Step 3: Cross multiply
    265,438.36x = 398,161.20 × 176,053.86
  4. Step 4: Simplify right side
    265,438.36x = 70,097,816,162.23
  5. Step 5: Solve for x
    x = 70,097,816,162.23/265,438.36
  6. Step 6: Final answer
    x = 264,083.22

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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.