Home / 161,009.04-222,190.56-89,386.32

Finding the Fourth Proportional to 161,009.04, 222,190.56 and 89,386.32

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Solution

The fourth proportional to 161,009.04, 222,190.56 and 89,386.32 is: 123,352.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,009.04 : 222,190.56 = 89,386.32 : x
  2. Step 2: Convert to fraction form
    161,009.04/222,190.56 = 89,386.32/x
  3. Step 3: Cross multiply
    161,009.04x = 222,190.56 × 89,386.32
  4. Step 4: Simplify right side
    161,009.04x = 19,860,796,497.14
  5. Step 5: Solve for x
    x = 19,860,796,497.14/161,009.04
  6. Step 6: Final answer
    x = 123,352.06

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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.