Home / 228,975.88-315,621.61-180,498.75

Finding the Fourth Proportional to 228,975.88, 315,621.61 and 180,498.75

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Solution

The fourth proportional to 228,975.88, 315,621.61 and 180,498.75 is: 248,800.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,975.88 : 315,621.61 = 180,498.75 : x
  2. Step 2: Convert to fraction form
    228,975.88/315,621.61 = 180,498.75/x
  3. Step 3: Cross multiply
    228,975.88x = 315,621.61 × 180,498.75
  4. Step 4: Simplify right side
    228,975.88x = 56,969,306,077.99
  5. Step 5: Solve for x
    x = 56,969,306,077.99/228,975.88
  6. Step 6: Final answer
    x = 248,800.47

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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.