Home / 328,887.40-453,719.78-192,852.28

Finding the Fourth Proportional to 328,887.40, 453,719.78 and 192,852.28

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Solution

The fourth proportional to 328,887.40, 453,719.78 and 192,852.28 is: 266,051.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,887.40 : 453,719.78 = 192,852.28 : x
  2. Step 2: Convert to fraction form
    328,887.40/453,719.78 = 192,852.28/x
  3. Step 3: Cross multiply
    328,887.40x = 453,719.78 × 192,852.28
  4. Step 4: Simplify right side
    328,887.40x = 87,500,894,054.10
  5. Step 5: Solve for x
    x = 87,500,894,054.10/328,887.40
  6. Step 6: Final answer
    x = 266,051.22

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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.