Home / 127,109.36-175,408.44-70,520.24

Finding the Fourth Proportional to 127,109.36, 175,408.44 and 70,520.24

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Solution

The fourth proportional to 127,109.36, 175,408.44 and 70,520.24 is: 97,316.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,109.36 : 175,408.44 = 70,520.24 : x
  2. Step 2: Convert to fraction form
    127,109.36/175,408.44 = 70,520.24/x
  3. Step 3: Cross multiply
    127,109.36x = 175,408.44 × 70,520.24
  4. Step 4: Simplify right side
    127,109.36x = 12,369,845,286.83
  5. Step 5: Solve for x
    x = 12,369,845,286.83/127,109.36
  6. Step 6: Final answer
    x = 97,316.56

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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.