Home / 146,783.90-202,574.31-83,133.02

Finding the Fourth Proportional to 146,783.90, 202,574.31 and 83,133.02

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Solution

The fourth proportional to 146,783.90, 202,574.31 and 83,133.02 is: 114,730.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,783.90 : 202,574.31 = 83,133.02 : x
  2. Step 2: Convert to fraction form
    146,783.90/202,574.31 = 83,133.02/x
  3. Step 3: Cross multiply
    146,783.90x = 202,574.31 × 83,133.02
  4. Step 4: Simplify right side
    146,783.90x = 16,840,614,164.72
  5. Step 5: Solve for x
    x = 16,840,614,164.72/146,783.90
  6. Step 6: Final answer
    x = 114,730.66

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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.