Home / 256,669.05-354,205.53-141,941.73

Finding the Fourth Proportional to 256,669.05, 354,205.53 and 141,941.73

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Solution

The fourth proportional to 256,669.05, 354,205.53 and 141,941.73 is: 195,880.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,669.05 : 354,205.53 = 141,941.73 : x
  2. Step 2: Convert to fraction form
    256,669.05/354,205.53 = 141,941.73/x
  3. Step 3: Cross multiply
    256,669.05x = 354,205.53 × 141,941.73
  4. Step 4: Simplify right side
    256,669.05x = 50,276,545,703.77
  5. Step 5: Solve for x
    x = 50,276,545,703.77/256,669.05
  6. Step 6: Final answer
    x = 195,880.83

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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.