Home / 202,666.16-279,696.56-117,777.75

Finding the Fourth Proportional to 202,666.16, 279,696.56 and 117,777.75

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Solution

The fourth proportional to 202,666.16, 279,696.56 and 117,777.75 is: 162,543.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,666.16 : 279,696.56 = 117,777.75 : x
  2. Step 2: Convert to fraction form
    202,666.16/279,696.56 = 117,777.75/x
  3. Step 3: Cross multiply
    202,666.16x = 279,696.56 × 117,777.75
  4. Step 4: Simplify right side
    202,666.16x = 32,942,030,930.65
  5. Step 5: Solve for x
    x = 32,942,030,930.65/202,666.16
  6. Step 6: Final answer
    x = 162,543.33

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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.