Home / 127,015.76-175,280.28-73,299.62

Finding the Fourth Proportional to 127,015.76, 175,280.28 and 73,299.62

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Solution

The fourth proportional to 127,015.76, 175,280.28 and 73,299.62 is: 101,152.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,015.76 : 175,280.28 = 73,299.62 : x
  2. Step 2: Convert to fraction form
    127,015.76/175,280.28 = 73,299.62/x
  3. Step 3: Cross multiply
    127,015.76x = 175,280.28 × 73,299.62
  4. Step 4: Simplify right side
    127,015.76x = 12,847,977,917.49
  5. Step 5: Solve for x
    x = 12,847,977,917.49/127,015.76
  6. Step 6: Final answer
    x = 101,152.63

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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.