Home / 238,147.90-328,645.96-130,727.93

Finding the Fourth Proportional to 238,147.90, 328,645.96 and 130,727.93

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Solution

The fourth proportional to 238,147.90, 328,645.96 and 130,727.93 is: 180,405.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,147.90 : 328,645.96 = 130,727.93 : x
  2. Step 2: Convert to fraction form
    238,147.90/328,645.96 = 130,727.93/x
  3. Step 3: Cross multiply
    238,147.90x = 328,645.96 × 130,727.93
  4. Step 4: Simplify right side
    238,147.90x = 42,963,204,083.61
  5. Step 5: Solve for x
    x = 42,963,204,083.61/238,147.90
  6. Step 6: Final answer
    x = 180,405.56

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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.