Home / 257,219.50-354,963.09-144,044.86

Finding the Fourth Proportional to 257,219.50, 354,963.09 and 144,044.86

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Solution

The fourth proportional to 257,219.50, 354,963.09 and 144,044.86 is: 198,782.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,219.50 : 354,963.09 = 144,044.86 : x
  2. Step 2: Convert to fraction form
    257,219.50/354,963.09 = 144,044.86/x
  3. Step 3: Cross multiply
    257,219.50x = 354,963.09 × 144,044.86
  4. Step 4: Simplify right side
    257,219.50x = 51,130,608,604.22
  5. Step 5: Solve for x
    x = 51,130,608,604.22/257,219.50
  6. Step 6: Final answer
    x = 198,782.01

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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.