Home / 239,877.90-331,030.08-132,447.06

Finding the Fourth Proportional to 239,877.90, 331,030.08 and 132,447.06

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Solution

The fourth proportional to 239,877.90, 331,030.08 and 132,447.06 is: 182,776.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,877.90 : 331,030.08 = 132,447.06 : x
  2. Step 2: Convert to fraction form
    239,877.90/331,030.08 = 132,447.06/x
  3. Step 3: Cross multiply
    239,877.90x = 331,030.08 × 132,447.06
  4. Step 4: Simplify right side
    239,877.90x = 43,843,960,867.56
  5. Step 5: Solve for x
    x = 43,843,960,867.56/239,877.90
  6. Step 6: Final answer
    x = 182,776.16

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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.