Home / 150,763.28-208,056.30-82,779.66

Finding the Fourth Proportional to 150,763.28, 208,056.30 and 82,779.66

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Solution

The fourth proportional to 150,763.28, 208,056.30 and 82,779.66 is: 114,237.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,763.28 : 208,056.30 = 82,779.66 : x
  2. Step 2: Convert to fraction form
    150,763.28/208,056.30 = 82,779.66/x
  3. Step 3: Cross multiply
    150,763.28x = 208,056.30 × 82,779.66
  4. Step 4: Simplify right side
    150,763.28x = 17,222,829,774.86
  5. Step 5: Solve for x
    x = 17,222,829,774.86/150,763.28
  6. Step 6: Final answer
    x = 114,237.56

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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.