Home / 147,350.31-203,254.80-89,963.43

Finding the Fourth Proportional to 147,350.31, 203,254.80 and 89,963.43

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Solution

The fourth proportional to 147,350.31, 203,254.80 and 89,963.43 is: 124,095.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,350.31 : 203,254.80 = 89,963.43 : x
  2. Step 2: Convert to fraction form
    147,350.31/203,254.80 = 89,963.43/x
  3. Step 3: Cross multiply
    147,350.31x = 203,254.80 × 89,963.43
  4. Step 4: Simplify right side
    147,350.31x = 18,285,498,971.96
  5. Step 5: Solve for x
    x = 18,285,498,971.96/147,350.31
  6. Step 6: Final answer
    x = 124,095.42

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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.