Home / 147,478.89-203,514.39-82,953.51

Finding the Fourth Proportional to 147,478.89, 203,514.39 and 82,953.51

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Solution

The fourth proportional to 147,478.89, 203,514.39 and 82,953.51 is: 114,472.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,478.89 : 203,514.39 = 82,953.51 : x
  2. Step 2: Convert to fraction form
    147,478.89/203,514.39 = 82,953.51/x
  3. Step 3: Cross multiply
    147,478.89x = 203,514.39 × 82,953.51
  4. Step 4: Simplify right side
    147,478.89x = 16,882,232,986.01
  5. Step 5: Solve for x
    x = 16,882,232,986.01/147,478.89
  6. Step 6: Final answer
    x = 114,472.20

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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.