Home / 358,856.13-495,427.64-238,161.06

Finding the Fourth Proportional to 358,856.13, 495,427.64 and 238,161.06

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Solution

The fourth proportional to 358,856.13, 495,427.64 and 238,161.06 is: 328,799.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,856.13 : 495,427.64 = 238,161.06 : x
  2. Step 2: Convert to fraction form
    358,856.13/495,427.64 = 238,161.06/x
  3. Step 3: Cross multiply
    358,856.13x = 495,427.64 × 238,161.06
  4. Step 4: Simplify right side
    358,856.13x = 117,991,571,895.70
  5. Step 5: Solve for x
    x = 117,991,571,895.70/358,856.13
  6. Step 6: Final answer
    x = 328,799.10

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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.