Home / 127,774.22-176,234.82-84,675.74

Finding the Fourth Proportional to 127,774.22, 176,234.82 and 84,675.74

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Solution

The fourth proportional to 127,774.22, 176,234.82 and 84,675.74 is: 116,790.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,774.22 : 176,234.82 = 84,675.74 : x
  2. Step 2: Convert to fraction form
    127,774.22/176,234.82 = 84,675.74/x
  3. Step 3: Cross multiply
    127,774.22x = 176,234.82 × 84,675.74
  4. Step 4: Simplify right side
    127,774.22x = 14,922,813,797.27
  5. Step 5: Solve for x
    x = 14,922,813,797.27/127,774.22
  6. Step 6: Final answer
    x = 116,790.49

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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.