Home / 238,807.35-329,556.87-136,830.75

Finding the Fourth Proportional to 238,807.35, 329,556.87 and 136,830.75

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Solution

The fourth proportional to 238,807.35, 329,556.87 and 136,830.75 is: 188,828.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,807.35 : 329,556.87 = 136,830.75 : x
  2. Step 2: Convert to fraction form
    238,807.35/329,556.87 = 136,830.75/x
  3. Step 3: Cross multiply
    238,807.35x = 329,556.87 × 136,830.75
  4. Step 4: Simplify right side
    238,807.35x = 45,093,513,689.75
  5. Step 5: Solve for x
    x = 45,093,513,689.75/238,807.35
  6. Step 6: Final answer
    x = 188,828.00

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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.