Home / 127,249.60-175,603.44-70,661.12

Finding the Fourth Proportional to 127,249.60, 175,603.44 and 70,661.12

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Solution

The fourth proportional to 127,249.60, 175,603.44 and 70,661.12 is: 97,511.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,249.60 : 175,603.44 = 70,661.12 : x
  2. Step 2: Convert to fraction form
    127,249.60/175,603.44 = 70,661.12/x
  3. Step 3: Cross multiply
    127,249.60x = 175,603.44 × 70,661.12
  4. Step 4: Simplify right side
    127,249.60x = 12,408,335,746.25
  5. Step 5: Solve for x
    x = 12,408,335,746.25/127,249.60
  6. Step 6: Final answer
    x = 97,511.79

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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.