Home / 328,206.83-452,961.64-190,416.11

Finding the Fourth Proportional to 328,206.83, 452,961.64 and 190,416.11

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Solution

The fourth proportional to 328,206.83, 452,961.64 and 190,416.11 is: 262,795.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,206.83 : 452,961.64 = 190,416.11 : x
  2. Step 2: Convert to fraction form
    328,206.83/452,961.64 = 190,416.11/x
  3. Step 3: Cross multiply
    328,206.83x = 452,961.64 × 190,416.11
  4. Step 4: Simplify right side
    328,206.83x = 86,251,191,769.41
  5. Step 5: Solve for x
    x = 86,251,191,769.41/328,206.83
  6. Step 6: Final answer
    x = 262,795.24

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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.