Home / 127,240.52-190,801.53-47,222.75

Finding the Fourth Proportional to 127,240.52, 190,801.53 and 47,222.75

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Solution

The fourth proportional to 127,240.52, 190,801.53 and 47,222.75 is: 70,812.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,240.52 : 190,801.53 = 47,222.75 : x
  2. Step 2: Convert to fraction form
    127,240.52/190,801.53 = 47,222.75/x
  3. Step 3: Cross multiply
    127,240.52x = 190,801.53 × 47,222.75
  4. Step 4: Simplify right side
    127,240.52x = 9,010,173,427.81
  5. Step 5: Solve for x
    x = 9,010,173,427.81/127,240.52
  6. Step 6: Final answer
    x = 70,812.14

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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.