Home / 238,432.51-329,017.78-136,434.59

Finding the Fourth Proportional to 238,432.51, 329,017.78 and 136,434.59

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Solution

The fourth proportional to 238,432.51, 329,017.78 and 136,434.59 is: 188,268.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,432.51 : 329,017.78 = 136,434.59 : x
  2. Step 2: Convert to fraction form
    238,432.51/329,017.78 = 136,434.59/x
  3. Step 3: Cross multiply
    238,432.51x = 329,017.78 × 136,434.59
  4. Step 4: Simplify right side
    238,432.51x = 44,889,405,917.01
  5. Step 5: Solve for x
    x = 44,889,405,917.01/238,432.51
  6. Step 6: Final answer
    x = 188,268.81

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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.