Home / 120,779.10-181,168.65-41,901.30

Finding the Fourth Proportional to 120,779.10, 181,168.65 and 41,901.30

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Solution

The fourth proportional to 120,779.10, 181,168.65 and 41,901.30 is: 62,851.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,779.10 : 181,168.65 = 41,901.30 : x
  2. Step 2: Convert to fraction form
    120,779.10/181,168.65 = 41,901.30/x
  3. Step 3: Cross multiply
    120,779.10x = 181,168.65 × 41,901.30
  4. Step 4: Simplify right side
    120,779.10x = 7,591,201,954.25
  5. Step 5: Solve for x
    x = 7,591,201,954.25/120,779.10
  6. Step 6: Final answer
    x = 62,851.95

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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.