Home / 168,576.28-232,639.83-100,632.69

Finding the Fourth Proportional to 168,576.28, 232,639.83 and 100,632.69

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Solution

The fourth proportional to 168,576.28, 232,639.83 and 100,632.69 is: 138,875.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,576.28 : 232,639.83 = 100,632.69 : x
  2. Step 2: Convert to fraction form
    168,576.28/232,639.83 = 100,632.69/x
  3. Step 3: Cross multiply
    168,576.28x = 232,639.83 × 100,632.69
  4. Step 4: Simplify right side
    168,576.28x = 23,411,171,021.64
  5. Step 5: Solve for x
    x = 23,411,171,021.64/168,576.28
  6. Step 6: Final answer
    x = 138,875.83

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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.