Home / 190,348.08-262,680.48-105,466.56

Finding the Fourth Proportional to 190,348.08, 262,680.48 and 105,466.56

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Solution

The fourth proportional to 190,348.08, 262,680.48 and 105,466.56 is: 145,543.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,348.08 : 262,680.48 = 105,466.56 : x
  2. Step 2: Convert to fraction form
    190,348.08/262,680.48 = 105,466.56/x
  3. Step 3: Cross multiply
    190,348.08x = 262,680.48 × 105,466.56
  4. Step 4: Simplify right side
    190,348.08x = 27,704,006,604.75
  5. Step 5: Solve for x
    x = 27,704,006,604.75/190,348.08
  6. Step 6: Final answer
    x = 145,543.92

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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.