Home / 126,803.04-190,206.72-47,954.40

Finding the Fourth Proportional to 126,803.04, 190,206.72 and 47,954.40

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Solution

The fourth proportional to 126,803.04, 190,206.72 and 47,954.40 is: 71,932.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,803.04 : 190,206.72 = 47,954.40 : x
  2. Step 2: Convert to fraction form
    126,803.04/190,206.72 = 47,954.40/x
  3. Step 3: Cross multiply
    126,803.04x = 190,206.72 × 47,954.40
  4. Step 4: Simplify right side
    126,803.04x = 9,121,249,133.57
  5. Step 5: Solve for x
    x = 9,121,249,133.57/126,803.04
  6. Step 6: Final answer
    x = 71,932.42

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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.