Home / 127,240.36-175,588.98-70,650.76

Finding the Fourth Proportional to 127,240.36, 175,588.98 and 70,650.76

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Solution

The fourth proportional to 127,240.36, 175,588.98 and 70,650.76 is: 97,496.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,240.36 : 175,588.98 = 70,650.76 : x
  2. Step 2: Convert to fraction form
    127,240.36/175,588.98 = 70,650.76/x
  3. Step 3: Cross multiply
    127,240.36x = 175,588.98 × 70,650.76
  4. Step 4: Simplify right side
    127,240.36x = 12,405,494,884.62
  5. Step 5: Solve for x
    x = 12,405,494,884.62/127,240.36
  6. Step 6: Final answer
    x = 97,496.54

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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.