Home / 161,144.54-222,317.43-118,803.74

Finding the Fourth Proportional to 161,144.54, 222,317.43 and 118,803.74

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Solution

The fourth proportional to 161,144.54, 222,317.43 and 118,803.74 is: 163,903.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,144.54 : 222,317.43 = 118,803.74 : x
  2. Step 2: Convert to fraction form
    161,144.54/222,317.43 = 118,803.74/x
  3. Step 3: Cross multiply
    161,144.54x = 222,317.43 × 118,803.74
  4. Step 4: Simplify right side
    161,144.54x = 26,412,142,151.19
  5. Step 5: Solve for x
    x = 26,412,142,151.19/161,144.54
  6. Step 6: Final answer
    x = 163,903.43

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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.