Home / 202,039.44-278,810.04-117,164.40

Finding the Fourth Proportional to 202,039.44, 278,810.04 and 117,164.40

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Solution

The fourth proportional to 202,039.44, 278,810.04 and 117,164.40 is: 161,684.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,039.44 : 278,810.04 = 117,164.40 : x
  2. Step 2: Convert to fraction form
    202,039.44/278,810.04 = 117,164.40/x
  3. Step 3: Cross multiply
    202,039.44x = 278,810.04 × 117,164.40
  4. Step 4: Simplify right side
    202,039.44x = 32,666,611,050.58
  5. Step 5: Solve for x
    x = 32,666,611,050.58/202,039.44
  6. Step 6: Final answer
    x = 161,684.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.