Home / 127,358.80-190,778.10-60,597.16

Finding the Fourth Proportional to 127,358.80, 190,778.10 and 60,597.16

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Solution

The fourth proportional to 127,358.80, 190,778.10 and 60,597.16 is: 90,771.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,358.80 : 190,778.10 = 60,597.16 : x
  2. Step 2: Convert to fraction form
    127,358.80/190,778.10 = 60,597.16/x
  3. Step 3: Cross multiply
    127,358.80x = 190,778.10 × 60,597.16
  4. Step 4: Simplify right side
    127,358.80x = 11,560,611,050.20
  5. Step 5: Solve for x
    x = 11,560,611,050.20/127,358.80
  6. Step 6: Final answer
    x = 90,771.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.