Home / 127,288.94-175,639.24-73,563.59

Finding the Fourth Proportional to 127,288.94, 175,639.24 and 73,563.59

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Solution

The fourth proportional to 127,288.94, 175,639.24 and 73,563.59 is: 101,506.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,288.94 : 175,639.24 = 73,563.59 : x
  2. Step 2: Convert to fraction form
    127,288.94/175,639.24 = 73,563.59/x
  3. Step 3: Cross multiply
    127,288.94x = 175,639.24 × 73,563.59
  4. Step 4: Simplify right side
    127,288.94x = 12,920,653,156.53
  5. Step 5: Solve for x
    x = 12,920,653,156.53/127,288.94
  6. Step 6: Final answer
    x = 101,506.48

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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.