Home / 238,719.02-329,351.51-135,342.11

Finding the Fourth Proportional to 238,719.02, 329,351.51 and 135,342.11

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Solution

The fourth proportional to 238,719.02, 329,351.51 and 135,342.11 is: 186,726.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,719.02 : 329,351.51 = 135,342.11 : x
  2. Step 2: Convert to fraction form
    238,719.02/329,351.51 = 135,342.11/x
  3. Step 3: Cross multiply
    238,719.02x = 329,351.51 × 135,342.11
  4. Step 4: Simplify right side
    238,719.02x = 44,575,126,986.68
  5. Step 5: Solve for x
    x = 44,575,126,986.68/238,719.02
  6. Step 6: Final answer
    x = 186,726.34

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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.