Home / 296,914.10-409,191.95-210,876.84

Finding the Fourth Proportional to 296,914.10, 409,191.95 and 210,876.84

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Solution

The fourth proportional to 296,914.10, 409,191.95 and 210,876.84 is: 290,619.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,914.10 : 409,191.95 = 210,876.84 : x
  2. Step 2: Convert to fraction form
    296,914.10/409,191.95 = 210,876.84/x
  3. Step 3: Cross multiply
    296,914.10x = 409,191.95 × 210,876.84
  4. Step 4: Simplify right side
    296,914.10x = 86,289,105,896.63
  5. Step 5: Solve for x
    x = 86,289,105,896.63/296,914.10
  6. Step 6: Final answer
    x = 290,619.77

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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.