Home / 161,328.86-222,543.05-96,780.93

Finding the Fourth Proportional to 161,328.86, 222,543.05 and 96,780.93

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Solution

The fourth proportional to 161,328.86, 222,543.05 and 96,780.93 is: 133,503.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,328.86 : 222,543.05 = 96,780.93 : x
  2. Step 2: Convert to fraction form
    161,328.86/222,543.05 = 96,780.93/x
  3. Step 3: Cross multiply
    161,328.86x = 222,543.05 × 96,780.93
  4. Step 4: Simplify right side
    161,328.86x = 21,537,922,025.60
  5. Step 5: Solve for x
    x = 21,537,922,025.60/161,328.86
  6. Step 6: Final answer
    x = 133,503.21

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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.