Home / 369,513.94-554,272.07-103,272.70

Finding the Fourth Proportional to 369,513.94, 554,272.07 and 103,272.70

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Solution

The fourth proportional to 369,513.94, 554,272.07 and 103,272.70 is: 154,909.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,513.94 : 554,272.07 = 103,272.70 : x
  2. Step 2: Convert to fraction form
    369,513.94/554,272.07 = 103,272.70/x
  3. Step 3: Cross multiply
    369,513.94x = 554,272.07 × 103,272.70
  4. Step 4: Simplify right side
    369,513.94x = 57,241,173,203.49
  5. Step 5: Solve for x
    x = 57,241,173,203.49/369,513.94
  6. Step 6: Final answer
    x = 154,909.37

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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.