Home / 127,240.27-190,801.16-47,222.51

Finding the Fourth Proportional to 127,240.27, 190,801.16 and 47,222.51

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Solution

The fourth proportional to 127,240.27, 190,801.16 and 47,222.51 is: 70,811.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,240.27 : 190,801.16 = 47,222.51 : x
  2. Step 2: Convert to fraction form
    127,240.27/190,801.16 = 47,222.51/x
  3. Step 3: Cross multiply
    127,240.27x = 190,801.16 × 47,222.51
  4. Step 4: Simplify right side
    127,240.27x = 9,010,108,495.99
  5. Step 5: Solve for x
    x = 9,010,108,495.99/127,240.27
  6. Step 6: Final answer
    x = 70,811.77

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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.