Home / 256,828.92-354,417.08-142,104.57

Finding the Fourth Proportional to 256,828.92, 354,417.08 and 142,104.57

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Solution

The fourth proportional to 256,828.92, 354,417.08 and 142,104.57 is: 196,100.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,828.92 : 354,417.08 = 142,104.57 : x
  2. Step 2: Convert to fraction form
    256,828.92/354,417.08 = 142,104.57/x
  3. Step 3: Cross multiply
    256,828.92x = 354,417.08 × 142,104.57
  4. Step 4: Simplify right side
    256,828.92x = 50,364,286,754.06
  5. Step 5: Solve for x
    x = 50,364,286,754.06/256,828.92
  6. Step 6: Final answer
    x = 196,100.53

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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.