Home / 161,069.85-222,203.48-103,688.60

Finding the Fourth Proportional to 161,069.85, 222,203.48 and 103,688.60

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Solution

The fourth proportional to 161,069.85, 222,203.48 and 103,688.60 is: 143,043.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,069.85 : 222,203.48 = 103,688.60 : x
  2. Step 2: Convert to fraction form
    161,069.85/222,203.48 = 103,688.60/x
  3. Step 3: Cross multiply
    161,069.85x = 222,203.48 × 103,688.60
  4. Step 4: Simplify right side
    161,069.85x = 23,039,966,126.87
  5. Step 5: Solve for x
    x = 23,039,966,126.87/161,069.85
  6. Step 6: Final answer
    x = 143,043.32

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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.