Home / 120,678.57-181,041.44-36,445.59

Finding the Fourth Proportional to 120,678.57, 181,041.44 and 36,445.59

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Solution

The fourth proportional to 120,678.57, 181,041.44 and 36,445.59 is: 54,675.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,678.57 : 181,041.44 = 36,445.59 : x
  2. Step 2: Convert to fraction form
    120,678.57/181,041.44 = 36,445.59/x
  3. Step 3: Cross multiply
    120,678.57x = 181,041.44 × 36,445.59
  4. Step 4: Simplify right side
    120,678.57x = 6,598,161,913.02
  5. Step 5: Solve for x
    x = 6,598,161,913.02/120,678.57
  6. Step 6: Final answer
    x = 54,675.51

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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.