Home / 256,925.54-354,527.66-148,045.74

Finding the Fourth Proportional to 256,925.54, 354,527.66 and 148,045.74

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Solution

The fourth proportional to 256,925.54, 354,527.66 and 148,045.74 is: 204,286.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,925.54 : 354,527.66 = 148,045.74 : x
  2. Step 2: Convert to fraction form
    256,925.54/354,527.66 = 148,045.74/x
  3. Step 3: Cross multiply
    256,925.54x = 354,527.66 × 148,045.74
  4. Step 4: Simplify right side
    256,925.54x = 52,486,309,775.17
  5. Step 5: Solve for x
    x = 52,486,309,775.17/256,925.54
  6. Step 6: Final answer
    x = 204,286.07

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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.