Home / 329,942.57-455,330.33-186,699.53

Finding the Fourth Proportional to 329,942.57, 455,330.33 and 186,699.53

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Solution

The fourth proportional to 329,942.57, 455,330.33 and 186,699.53 is: 257,650.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,942.57 : 455,330.33 = 186,699.53 : x
  2. Step 2: Convert to fraction form
    329,942.57/455,330.33 = 186,699.53/x
  3. Step 3: Cross multiply
    329,942.57x = 455,330.33 × 186,699.53
  4. Step 4: Simplify right side
    329,942.57x = 85,009,959,510.70
  5. Step 5: Solve for x
    x = 85,009,959,510.70/329,942.57
  6. Step 6: Final answer
    x = 257,650.78

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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.