Home / 256,151.42-353,510.09-141,441.45

Finding the Fourth Proportional to 256,151.42, 353,510.09 and 141,441.45

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Solution

The fourth proportional to 256,151.42, 353,510.09 and 141,441.45 is: 195,200.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,151.42 : 353,510.09 = 141,441.45 : x
  2. Step 2: Convert to fraction form
    256,151.42/353,510.09 = 141,441.45/x
  3. Step 3: Cross multiply
    256,151.42x = 353,510.09 × 141,441.45
  4. Step 4: Simplify right side
    256,151.42x = 50,000,979,012.02
  5. Step 5: Solve for x
    x = 50,000,979,012.02/256,151.42
  6. Step 6: Final answer
    x = 195,200.87

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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.