Home / 369,516.96-554,328-132,815.52

Finding the Fourth Proportional to 369,516.96, 554,328 and 132,815.52

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Solution

The fourth proportional to 369,516.96, 554,328 and 132,815.52 is: 199,242.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,516.96 : 554,328 = 132,815.52 : x
  2. Step 2: Convert to fraction form
    369,516.96/554,328 = 132,815.52/x
  3. Step 3: Cross multiply
    369,516.96x = 554,328 × 132,815.52
  4. Step 4: Simplify right side
    369,516.96x = 73,623,361,570.56
  5. Step 5: Solve for x
    x = 73,623,361,570.56/369,516.96
  6. Step 6: Final answer
    x = 199,242.17

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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.