Home / 202,890.24-279,988.32-113,466.24

Finding the Fourth Proportional to 202,890.24, 279,988.32 and 113,466.24

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Solution

The fourth proportional to 202,890.24, 279,988.32 and 113,466.24 is: 156,583.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,890.24 : 279,988.32 = 113,466.24 : x
  2. Step 2: Convert to fraction form
    202,890.24/279,988.32 = 113,466.24/x
  3. Step 3: Cross multiply
    202,890.24x = 279,988.32 × 113,466.24
  4. Step 4: Simplify right side
    202,890.24x = 31,769,221,914.32
  5. Step 5: Solve for x
    x = 31,769,221,914.32/202,890.24
  6. Step 6: Final answer
    x = 156,583.29

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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.