Home / 228,112.88-314,782.96-126,132.40

Finding the Fourth Proportional to 228,112.88, 314,782.96 and 126,132.40

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Solution

The fourth proportional to 228,112.88, 314,782.96 and 126,132.40 is: 174,055.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,112.88 : 314,782.96 = 126,132.40 : x
  2. Step 2: Convert to fraction form
    228,112.88/314,782.96 = 126,132.40/x
  3. Step 3: Cross multiply
    228,112.88x = 314,782.96 × 126,132.40
  4. Step 4: Simplify right side
    228,112.88x = 39,704,330,223.90
  5. Step 5: Solve for x
    x = 39,704,330,223.90/228,112.88
  6. Step 6: Final answer
    x = 174,055.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.