Home / 127,798.08-176,357.41-80,077.74

Finding the Fourth Proportional to 127,798.08, 176,357.41 and 80,077.74

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Solution

The fourth proportional to 127,798.08, 176,357.41 and 80,077.74 is: 110,504.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,798.08 : 176,357.41 = 80,077.74 : x
  2. Step 2: Convert to fraction form
    127,798.08/176,357.41 = 80,077.74/x
  3. Step 3: Cross multiply
    127,798.08x = 176,357.41 × 80,077.74
  4. Step 4: Simplify right side
    127,798.08x = 14,122,302,825.05
  5. Step 5: Solve for x
    x = 14,122,302,825.05/127,798.08
  6. Step 6: Final answer
    x = 110,504.81

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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.