Home / 238,431.51-329,016.40-136,433.59

Finding the Fourth Proportional to 238,431.51, 329,016.40 and 136,433.59

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Solution

The fourth proportional to 238,431.51, 329,016.40 and 136,433.59 is: 188,267.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,431.51 : 329,016.40 = 136,433.59 : x
  2. Step 2: Convert to fraction form
    238,431.51/329,016.40 = 136,433.59/x
  3. Step 3: Cross multiply
    238,431.51x = 329,016.40 × 136,433.59
  4. Step 4: Simplify right side
    238,431.51x = 44,888,887,457.25
  5. Step 5: Solve for x
    x = 44,888,887,457.25/238,431.51
  6. Step 6: Final answer
    x = 188,267.43

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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.