Home / 127,453.29-175,890.05-73,015.18

Finding the Fourth Proportional to 127,453.29, 175,890.05 and 73,015.18

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Solution

The fourth proportional to 127,453.29, 175,890.05 and 73,015.18 is: 100,763.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,453.29 : 175,890.05 = 73,015.18 : x
  2. Step 2: Convert to fraction form
    127,453.29/175,890.05 = 73,015.18/x
  3. Step 3: Cross multiply
    127,453.29x = 175,890.05 × 73,015.18
  4. Step 4: Simplify right side
    127,453.29x = 12,842,643,660.96
  5. Step 5: Solve for x
    x = 12,842,643,660.96/127,453.29
  6. Step 6: Final answer
    x = 100,763.53

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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.