Home / 185,615.43-256,153.13-105,042.93

Finding the Fourth Proportional to 185,615.43, 256,153.13 and 105,042.93

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Solution

The fourth proportional to 185,615.43, 256,153.13 and 105,042.93 is: 144,961.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,615.43 : 256,153.13 = 105,042.93 : x
  2. Step 2: Convert to fraction form
    185,615.43/256,153.13 = 105,042.93/x
  3. Step 3: Cross multiply
    185,615.43x = 256,153.13 × 105,042.93
  4. Step 4: Simplify right side
    185,615.43x = 26,907,074,778.66
  5. Step 5: Solve for x
    x = 26,907,074,778.66/185,615.43
  6. Step 6: Final answer
    x = 144,961.41

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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.