Home / 185,867.84-256,489.26-105,293.72

Finding the Fourth Proportional to 185,867.84, 256,489.26 and 105,293.72

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Solution

The fourth proportional to 185,867.84, 256,489.26 and 105,293.72 is: 145,300.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,867.84 : 256,489.26 = 105,293.72 : x
  2. Step 2: Convert to fraction form
    185,867.84/256,489.26 = 105,293.72/x
  3. Step 3: Cross multiply
    185,867.84x = 256,489.26 × 105,293.72
  4. Step 4: Simplify right side
    185,867.84x = 27,006,708,325.45
  5. Step 5: Solve for x
    x = 27,006,708,325.45/185,867.84
  6. Step 6: Final answer
    x = 145,300.60

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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.