Home / 151,568.96-209,166.08-87,944.64

Finding the Fourth Proportional to 151,568.96, 209,166.08 and 87,944.64

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Solution

The fourth proportional to 151,568.96, 209,166.08 and 87,944.64 is: 121,364.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,568.96 : 209,166.08 = 87,944.64 : x
  2. Step 2: Convert to fraction form
    151,568.96/209,166.08 = 87,944.64/x
  3. Step 3: Cross multiply
    151,568.96x = 209,166.08 × 87,944.64
  4. Step 4: Simplify right side
    151,568.96x = 18,395,035,605.81
  5. Step 5: Solve for x
    x = 18,395,035,605.81/151,568.96
  6. Step 6: Final answer
    x = 121,364.13

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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.