Home / 127,176.94-175,504.27-76,219.25

Finding the Fourth Proportional to 127,176.94, 175,504.27 and 76,219.25

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Solution

The fourth proportional to 127,176.94, 175,504.27 and 76,219.25 is: 105,182.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,176.94 : 175,504.27 = 76,219.25 : x
  2. Step 2: Convert to fraction form
    127,176.94/175,504.27 = 76,219.25/x
  3. Step 3: Cross multiply
    127,176.94x = 175,504.27 × 76,219.25
  4. Step 4: Simplify right side
    127,176.94x = 13,376,804,386.86
  5. Step 5: Solve for x
    x = 13,376,804,386.86/127,176.94
  6. Step 6: Final answer
    x = 105,182.63

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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.