Home / 181,378.63-250,283.48-100,793.15

Finding the Fourth Proportional to 181,378.63, 250,283.48 and 100,793.15

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Solution

The fourth proportional to 181,378.63, 250,283.48 and 100,793.15 is: 139,083.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,378.63 : 250,283.48 = 100,793.15 : x
  2. Step 2: Convert to fraction form
    181,378.63/250,283.48 = 100,793.15/x
  3. Step 3: Cross multiply
    181,378.63x = 250,283.48 × 100,793.15
  4. Step 4: Simplify right side
    181,378.63x = 25,226,860,342.16
  5. Step 5: Solve for x
    x = 25,226,860,342.16/181,378.63
  6. Step 6: Final answer
    x = 139,083.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.