Home / 108,680.23-162,741.96-64,338.81

Finding the Fourth Proportional to 108,680.23, 162,741.96 and 64,338.81

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Solution

The fourth proportional to 108,680.23, 162,741.96 and 64,338.81 is: 96,343.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,680.23 : 162,741.96 = 64,338.81 : x
  2. Step 2: Convert to fraction form
    108,680.23/162,741.96 = 64,338.81/x
  3. Step 3: Cross multiply
    108,680.23x = 162,741.96 × 64,338.81
  4. Step 4: Simplify right side
    108,680.23x = 10,470,623,433.19
  5. Step 5: Solve for x
    x = 10,470,623,433.19/108,680.23
  6. Step 6: Final answer
    x = 96,343.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.