Home / 120,594.28-180,899.89-36,355.16

Finding the Fourth Proportional to 120,594.28, 180,899.89 and 36,355.16

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Solution

The fourth proportional to 120,594.28, 180,899.89 and 36,355.16 is: 54,535.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,594.28 : 180,899.89 = 36,355.16 : x
  2. Step 2: Convert to fraction form
    120,594.28/180,899.89 = 36,355.16/x
  3. Step 3: Cross multiply
    120,594.28x = 180,899.89 × 36,355.16
  4. Step 4: Simplify right side
    120,594.28x = 6,576,644,444.93
  5. Step 5: Solve for x
    x = 6,576,644,444.93/120,594.28
  6. Step 6: Final answer
    x = 54,535.29

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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.