Home / 328,434.15-453,279.48-185,191.32

Finding the Fourth Proportional to 328,434.15, 453,279.48 and 185,191.32

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Solution

The fourth proportional to 328,434.15, 453,279.48 and 185,191.32 is: 255,586.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,434.15 : 453,279.48 = 185,191.32 : x
  2. Step 2: Convert to fraction form
    328,434.15/453,279.48 = 185,191.32/x
  3. Step 3: Cross multiply
    328,434.15x = 453,279.48 × 185,191.32
  4. Step 4: Simplify right side
    328,434.15x = 83,943,425,230.11
  5. Step 5: Solve for x
    x = 83,943,425,230.11/328,434.15
  6. Step 6: Final answer
    x = 255,586.78

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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.