Home / 127,774.79-176,235.37-82,429.77

Finding the Fourth Proportional to 127,774.79, 176,235.37 and 82,429.77

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Solution

The fourth proportional to 127,774.79, 176,235.37 and 82,429.77 is: 113,692.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,774.79 : 176,235.37 = 82,429.77 : x
  2. Step 2: Convert to fraction form
    127,774.79/176,235.37 = 82,429.77/x
  3. Step 3: Cross multiply
    127,774.79x = 176,235.37 × 82,429.77
  4. Step 4: Simplify right side
    127,774.79x = 14,527,041,014.96
  5. Step 5: Solve for x
    x = 14,527,041,014.96/127,774.79
  6. Step 6: Final answer
    x = 113,692.54

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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.