Home / 256,039.17-353,307.26-141,315.70

Finding the Fourth Proportional to 256,039.17, 353,307.26 and 141,315.70

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Solution

The fourth proportional to 256,039.17, 353,307.26 and 141,315.70 is: 195,000.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,039.17 : 353,307.26 = 141,315.70 : x
  2. Step 2: Convert to fraction form
    256,039.17/353,307.26 = 141,315.70/x
  3. Step 3: Cross multiply
    256,039.17x = 353,307.26 × 141,315.70
  4. Step 4: Simplify right side
    256,039.17x = 49,927,860,288.87
  5. Step 5: Solve for x
    x = 49,927,860,288.87/256,039.17
  6. Step 6: Final answer
    x = 195,000.87

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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.