Home / 161,842.58-223,356.06-89,259.67

Finding the Fourth Proportional to 161,842.58, 223,356.06 and 89,259.67

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Solution

The fourth proportional to 161,842.58, 223,356.06 and 89,259.67 is: 123,185.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,842.58 : 223,356.06 = 89,259.67 : x
  2. Step 2: Convert to fraction form
    161,842.58/223,356.06 = 89,259.67/x
  3. Step 3: Cross multiply
    161,842.58x = 223,356.06 × 89,259.67
  4. Step 4: Simplify right side
    161,842.58x = 19,936,688,208.10
  5. Step 5: Solve for x
    x = 19,936,688,208.10/161,842.58
  6. Step 6: Final answer
    x = 123,185.68

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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.