Home / 293,637.87-440,362.04-83,219.31

Finding the Fourth Proportional to 293,637.87, 440,362.04 and 83,219.31

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Solution

The fourth proportional to 293,637.87, 440,362.04 and 83,219.31 is: 124,802.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,637.87 : 440,362.04 = 83,219.31 : x
  2. Step 2: Convert to fraction form
    293,637.87/440,362.04 = 83,219.31/x
  3. Step 3: Cross multiply
    293,637.87x = 440,362.04 × 83,219.31
  4. Step 4: Simplify right side
    293,637.87x = 36,646,624,702.90
  5. Step 5: Solve for x
    x = 36,646,624,702.90/293,637.87
  6. Step 6: Final answer
    x = 124,802.11

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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.