Home / 127,189.68-175,512.98-70,596.60

Finding the Fourth Proportional to 127,189.68, 175,512.98 and 70,596.60

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Solution

The fourth proportional to 127,189.68, 175,512.98 and 70,596.60 is: 97,418.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,189.68 : 175,512.98 = 70,596.60 : x
  2. Step 2: Convert to fraction form
    127,189.68/175,512.98 = 70,596.60/x
  3. Step 3: Cross multiply
    127,189.68x = 175,512.98 × 70,596.60
  4. Step 4: Simplify right side
    127,189.68x = 12,390,619,643.87
  5. Step 5: Solve for x
    x = 12,390,619,643.87/127,189.68
  6. Step 6: Final answer
    x = 97,418.44

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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.