Home / 256,150.15-353,492.77-141,428.41

Finding the Fourth Proportional to 256,150.15, 353,492.77 and 141,428.41

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Solution

The fourth proportional to 256,150.15, 353,492.77 and 141,428.41 is: 195,174.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,150.15 : 353,492.77 = 141,428.41 : x
  2. Step 2: Convert to fraction form
    256,150.15/353,492.77 = 141,428.41/x
  3. Step 3: Cross multiply
    256,150.15x = 353,492.77 × 141,428.41
  4. Step 4: Simplify right side
    256,150.15x = 49,993,919,170.29
  5. Step 5: Solve for x
    x = 49,993,919,170.29/256,150.15
  6. Step 6: Final answer
    x = 195,174.27

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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.