Home / 199,274.04-299,015.55-66,187.80

Finding the Fourth Proportional to 199,274.04, 299,015.55 and 66,187.80

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Solution

The fourth proportional to 199,274.04, 299,015.55 and 66,187.80 is: 99,316.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,274.04 : 299,015.55 = 66,187.80 : x
  2. Step 2: Convert to fraction form
    199,274.04/299,015.55 = 66,187.80/x
  3. Step 3: Cross multiply
    199,274.04x = 299,015.55 × 66,187.80
  4. Step 4: Simplify right side
    199,274.04x = 19,791,181,420.29
  5. Step 5: Solve for x
    x = 19,791,181,420.29/199,274.04
  6. Step 6: Final answer
    x = 99,316.41

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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.