Home / 107,358.81-160,315.25-87,676.41

Finding the Fourth Proportional to 107,358.81, 160,315.25 and 87,676.41

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Solution

The fourth proportional to 107,358.81, 160,315.25 and 87,676.41 is: 130,924.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,358.81 : 160,315.25 = 87,676.41 : x
  2. Step 2: Convert to fraction form
    107,358.81/160,315.25 = 87,676.41/x
  3. Step 3: Cross multiply
    107,358.81x = 160,315.25 × 87,676.41
  4. Step 4: Simplify right side
    107,358.81x = 14,055,865,807.44
  5. Step 5: Solve for x
    x = 14,055,865,807.44/107,358.81
  6. Step 6: Final answer
    x = 130,924.20

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.