Home / 369,458.28-554,188.77-103,218.37

Finding the Fourth Proportional to 369,458.28, 554,188.77 and 103,218.37

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Solution

The fourth proportional to 369,458.28, 554,188.77 and 103,218.37 is: 154,827.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,458.28 : 554,188.77 = 103,218.37 : x
  2. Step 2: Convert to fraction form
    369,458.28/554,188.77 = 103,218.37/x
  3. Step 3: Cross multiply
    369,458.28x = 554,188.77 × 103,218.37
  4. Step 4: Simplify right side
    369,458.28x = 57,202,460,126.23
  5. Step 5: Solve for x
    x = 57,202,460,126.23/369,458.28
  6. Step 6: Final answer
    x = 154,827.93

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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.