Home / 126,937.84-190,411.56-38,203.96

Finding the Fourth Proportional to 126,937.84, 190,411.56 and 38,203.96

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Solution

The fourth proportional to 126,937.84, 190,411.56 and 38,203.96 is: 57,307.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,937.84 : 190,411.56 = 38,203.96 : x
  2. Step 2: Convert to fraction form
    126,937.84/190,411.56 = 38,203.96/x
  3. Step 3: Cross multiply
    126,937.84x = 190,411.56 × 38,203.96
  4. Step 4: Simplify right side
    126,937.84x = 7,274,475,621.78
  5. Step 5: Solve for x
    x = 7,274,475,621.78/126,937.84
  6. Step 6: Final answer
    x = 57,307.38

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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.