Home / 127,140.36-175,453.44-70,551.60

Finding the Fourth Proportional to 127,140.36, 175,453.44 and 70,551.60

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Solution

The fourth proportional to 127,140.36, 175,453.44 and 70,551.60 is: 97,361.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,140.36 : 175,453.44 = 70,551.60 : x
  2. Step 2: Convert to fraction form
    127,140.36/175,453.44 = 70,551.60/x
  3. Step 3: Cross multiply
    127,140.36x = 175,453.44 × 70,551.60
  4. Step 4: Simplify right side
    127,140.36x = 12,378,520,917.50
  5. Step 5: Solve for x
    x = 12,378,520,917.50/127,140.36
  6. Step 6: Final answer
    x = 97,361.07

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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.