Home / 146,687.46-202,421.69-90,087.90

Finding the Fourth Proportional to 146,687.46, 202,421.69 and 90,087.90

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Solution

The fourth proportional to 146,687.46, 202,421.69 and 90,087.90 is: 124,317.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,687.46 : 202,421.69 = 90,087.90 : x
  2. Step 2: Convert to fraction form
    146,687.46/202,421.69 = 90,087.90/x
  3. Step 3: Cross multiply
    146,687.46x = 202,421.69 × 90,087.90
  4. Step 4: Simplify right side
    146,687.46x = 18,235,744,966.55
  5. Step 5: Solve for x
    x = 18,235,744,966.55/146,687.46
  6. Step 6: Final answer
    x = 124,317.00

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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.