Home / 293,690.10-440,551.92-83,311.50

Finding the Fourth Proportional to 293,690.10, 440,551.92 and 83,311.50

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Solution

The fourth proportional to 293,690.10, 440,551.92 and 83,311.50 is: 124,972.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,690.10 : 440,551.92 = 83,311.50 : x
  2. Step 2: Convert to fraction form
    293,690.10/440,551.92 = 83,311.50/x
  3. Step 3: Cross multiply
    293,690.10x = 440,551.92 × 83,311.50
  4. Step 4: Simplify right side
    293,690.10x = 36,703,041,283.08
  5. Step 5: Solve for x
    x = 36,703,041,283.08/293,690.10
  6. Step 6: Final answer
    x = 124,972.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.