Home / 147,417.55-203,433.97-82,886.85

Finding the Fourth Proportional to 147,417.55, 203,433.97 and 82,886.85

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Solution

The fourth proportional to 147,417.55, 203,433.97 and 82,886.85 is: 114,382.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,417.55 : 203,433.97 = 82,886.85 : x
  2. Step 2: Convert to fraction form
    147,417.55/203,433.97 = 82,886.85/x
  3. Step 3: Cross multiply
    147,417.55x = 203,433.97 × 82,886.85
  4. Step 4: Simplify right side
    147,417.55x = 16,862,000,956.29
  5. Step 5: Solve for x
    x = 16,862,000,956.29/147,417.55
  6. Step 6: Final answer
    x = 114,382.59

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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.