Home / 161,541.58-222,933.93-89,917.06

Finding the Fourth Proportional to 161,541.58, 222,933.93 and 89,917.06

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Solution

The fourth proportional to 161,541.58, 222,933.93 and 89,917.06 is: 124,089.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,541.58 : 222,933.93 = 89,917.06 : x
  2. Step 2: Convert to fraction form
    161,541.58/222,933.93 = 89,917.06/x
  3. Step 3: Cross multiply
    161,541.58x = 222,933.93 × 89,917.06
  4. Step 4: Simplify right side
    161,541.58x = 20,045,563,559.85
  5. Step 5: Solve for x
    x = 20,045,563,559.85/161,541.58
  6. Step 6: Final answer
    x = 124,089.19

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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.