Home / 329,942.16-455,330.52-186,699.60

Finding the Fourth Proportional to 329,942.16, 455,330.52 and 186,699.60

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Solution

The fourth proportional to 329,942.16, 455,330.52 and 186,699.60 is: 257,651.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,942.16 : 455,330.52 = 186,699.60 : x
  2. Step 2: Convert to fraction form
    329,942.16/455,330.52 = 186,699.60/x
  3. Step 3: Cross multiply
    329,942.16x = 455,330.52 × 186,699.60
  4. Step 4: Simplify right side
    329,942.16x = 85,010,025,951.79
  5. Step 5: Solve for x
    x = 85,010,025,951.79/329,942.16
  6. Step 6: Final answer
    x = 257,651.30

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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.