Home / 161,167.90-222,413.02-100,773.55

Finding the Fourth Proportional to 161,167.90, 222,413.02 and 100,773.55

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Solution

The fourth proportional to 161,167.90, 222,413.02 and 100,773.55 is: 139,068.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,167.90 : 222,413.02 = 100,773.55 : x
  2. Step 2: Convert to fraction form
    161,167.90/222,413.02 = 100,773.55/x
  3. Step 3: Cross multiply
    161,167.90x = 222,413.02 × 100,773.55
  4. Step 4: Simplify right side
    161,167.90x = 22,413,349,591.62
  5. Step 5: Solve for x
    x = 22,413,349,591.62/161,167.90
  6. Step 6: Final answer
    x = 139,068.32

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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.