Home / 256,688.35-354,087.72-149,246.51

Finding the Fourth Proportional to 256,688.35, 354,087.72 and 149,246.51

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Solution

The fourth proportional to 256,688.35, 354,087.72 and 149,246.51 is: 205,877.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,688.35 : 354,087.72 = 149,246.51 : x
  2. Step 2: Convert to fraction form
    256,688.35/354,087.72 = 149,246.51/x
  3. Step 3: Cross multiply
    256,688.35x = 354,087.72 × 149,246.51
  4. Step 4: Simplify right side
    256,688.35x = 52,846,356,443.86
  5. Step 5: Solve for x
    x = 52,846,356,443.86/256,688.35
  6. Step 6: Final answer
    x = 205,877.50

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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.