Home / 120,504.02-179,678.67-117,193.55

Finding the Fourth Proportional to 120,504.02, 179,678.67 and 117,193.55

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Solution

The fourth proportional to 120,504.02, 179,678.67 and 117,193.55 is: 174,742.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,504.02 : 179,678.67 = 117,193.55 : x
  2. Step 2: Convert to fraction form
    120,504.02/179,678.67 = 117,193.55/x
  3. Step 3: Cross multiply
    120,504.02x = 179,678.67 × 117,193.55
  4. Step 4: Simplify right side
    120,504.02x = 21,057,181,528.62
  5. Step 5: Solve for x
    x = 21,057,181,528.62/120,504.02
  6. Step 6: Final answer
    x = 174,742.56

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1.5x scale

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.