Home / 161,241.04-222,478.32-89,606.08

Finding the Fourth Proportional to 161,241.04, 222,478.32 and 89,606.08

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Solution

The fourth proportional to 161,241.04, 222,478.32 and 89,606.08 is: 123,637.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,241.04 : 222,478.32 = 89,606.08 : x
  2. Step 2: Convert to fraction form
    161,241.04/222,478.32 = 89,606.08/x
  3. Step 3: Cross multiply
    161,241.04x = 222,478.32 × 89,606.08
  4. Step 4: Simplify right side
    161,241.04x = 19,935,410,140.19
  5. Step 5: Solve for x
    x = 19,935,410,140.19/161,241.04
  6. Step 6: Final answer
    x = 123,637.32

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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.