Home / 190,818.09-263,298.30-110,256.30

Finding the Fourth Proportional to 190,818.09, 263,298.30 and 110,256.30

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Solution

The fourth proportional to 190,818.09, 263,298.30 and 110,256.30 is: 152,135.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,818.09 : 263,298.30 = 110,256.30 : x
  2. Step 2: Convert to fraction form
    190,818.09/263,298.30 = 110,256.30/x
  3. Step 3: Cross multiply
    190,818.09x = 263,298.30 × 110,256.30
  4. Step 4: Simplify right side
    190,818.09x = 29,030,296,354.29
  5. Step 5: Solve for x
    x = 29,030,296,354.29/190,818.09
  6. Step 6: Final answer
    x = 152,135.98

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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.