Home / 353,263.16-487,359.40-200,268.92

Finding the Fourth Proportional to 353,263.16, 487,359.40 and 200,268.92

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Solution

The fourth proportional to 353,263.16, 487,359.40 and 200,268.92 is: 276,289.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,263.16 : 487,359.40 = 200,268.92 : x
  2. Step 2: Convert to fraction form
    353,263.16/487,359.40 = 200,268.92/x
  3. Step 3: Cross multiply
    353,263.16x = 487,359.40 × 200,268.92
  4. Step 4: Simplify right side
    353,263.16x = 97,602,940,689.85
  5. Step 5: Solve for x
    x = 97,602,940,689.85/353,263.16
  6. Step 6: Final answer
    x = 276,289.61

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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.