Home / 353,583.14-530,376.15-143,225.06

Finding the Fourth Proportional to 353,583.14, 530,376.15 and 143,225.06

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Solution

The fourth proportional to 353,583.14, 530,376.15 and 143,225.06 is: 214,838.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,583.14 : 530,376.15 = 143,225.06 : x
  2. Step 2: Convert to fraction form
    353,583.14/530,376.15 = 143,225.06/x
  3. Step 3: Cross multiply
    353,583.14x = 530,376.15 × 143,225.06
  4. Step 4: Simplify right side
    353,583.14x = 75,963,155,906.32
  5. Step 5: Solve for x
    x = 75,963,155,906.32/353,583.14
  6. Step 6: Final answer
    x = 214,838.17

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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.