Home / 127,126.45-190,544.68-59,587.84

Finding the Fourth Proportional to 127,126.45, 190,544.68 and 59,587.84

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Solution

The fourth proportional to 127,126.45, 190,544.68 and 59,587.84 is: 89,313.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,126.45 : 190,544.68 = 59,587.84 : x
  2. Step 2: Convert to fraction form
    127,126.45/190,544.68 = 59,587.84/x
  3. Step 3: Cross multiply
    127,126.45x = 190,544.68 × 59,587.84
  4. Step 4: Simplify right side
    127,126.45x = 11,354,145,904.69
  5. Step 5: Solve for x
    x = 11,354,145,904.69/127,126.45
  6. Step 6: Final answer
    x = 89,313.80

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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.