Home / 117,928.82-162,741.65-64,214.21

Finding the Fourth Proportional to 117,928.82, 162,741.65 and 64,214.21

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Solution

The fourth proportional to 117,928.82, 162,741.65 and 64,214.21 is: 88,615.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,928.82 : 162,741.65 = 64,214.21 : x
  2. Step 2: Convert to fraction form
    117,928.82/162,741.65 = 64,214.21/x
  3. Step 3: Cross multiply
    117,928.82x = 162,741.65 × 64,214.21
  4. Step 4: Simplify right side
    117,928.82x = 10,450,327,056.24
  5. Step 5: Solve for x
    x = 10,450,327,056.24/117,928.82
  6. Step 6: Final answer
    x = 88,615.55

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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.