Home / 127,221.29-175,558.52-70,629.02

Finding the Fourth Proportional to 127,221.29, 175,558.52 and 70,629.02

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Solution

The fourth proportional to 127,221.29, 175,558.52 and 70,629.02 is: 97,464.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,221.29 : 175,558.52 = 70,629.02 : x
  2. Step 2: Convert to fraction form
    127,221.29/175,558.52 = 70,629.02/x
  3. Step 3: Cross multiply
    127,221.29x = 175,558.52 × 70,629.02
  4. Step 4: Simplify right side
    127,221.29x = 12,399,526,220.25
  5. Step 5: Solve for x
    x = 12,399,526,220.25/127,221.29
  6. Step 6: Final answer
    x = 97,464.24

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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.