Home / 369,664.48-554,531.64-103,425.04

Finding the Fourth Proportional to 369,664.48, 554,531.64 and 103,425.04

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Solution

The fourth proportional to 369,664.48, 554,531.64 and 103,425.04 is: 155,147.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,664.48 : 554,531.64 = 103,425.04 : x
  2. Step 2: Convert to fraction form
    369,664.48/554,531.64 = 103,425.04/x
  3. Step 3: Cross multiply
    369,664.48x = 554,531.64 × 103,425.04
  4. Step 4: Simplify right side
    369,664.48x = 57,352,457,048.27
  5. Step 5: Solve for x
    x = 57,352,457,048.27/369,664.48
  6. Step 6: Final answer
    x = 155,147.33

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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.