Home / 238,198.73-328,652.64-142,637.76

Finding the Fourth Proportional to 238,198.73, 328,652.64 and 142,637.76

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Solution

The fourth proportional to 238,198.73, 328,652.64 and 142,637.76 is: 196,803.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,198.73 : 328,652.64 = 142,637.76 : x
  2. Step 2: Convert to fraction form
    238,198.73/328,652.64 = 142,637.76/x
  3. Step 3: Cross multiply
    238,198.73x = 328,652.64 × 142,637.76
  4. Step 4: Simplify right side
    238,198.73x = 46,878,276,387.69
  5. Step 5: Solve for x
    x = 46,878,276,387.69/238,198.73
  6. Step 6: Final answer
    x = 196,803.22

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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.