Home / 484,039.10-726,104.18-142,482.75

Finding the Fourth Proportional to 484,039.10, 726,104.18 and 142,482.75

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Solution

The fourth proportional to 484,039.10, 726,104.18 and 142,482.75 is: 213,737.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,039.10 : 726,104.18 = 142,482.75 : x
  2. Step 2: Convert to fraction form
    484,039.10/726,104.18 = 142,482.75/x
  3. Step 3: Cross multiply
    484,039.10x = 726,104.18 × 142,482.75
  4. Step 4: Simplify right side
    484,039.10x = 103,457,317,184.75
  5. Step 5: Solve for x
    x = 103,457,317,184.75/484,039.10
  6. Step 6: Final answer
    x = 213,737.52

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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.