Home / 369,982.35-554,910.93-103,681.58

Finding the Fourth Proportional to 369,982.35, 554,910.93 and 103,681.58

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Solution

The fourth proportional to 369,982.35, 554,910.93 and 103,681.58 is: 155,504.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,982.35 : 554,910.93 = 103,681.58 : x
  2. Step 2: Convert to fraction form
    369,982.35/554,910.93 = 103,681.58/x
  3. Step 3: Cross multiply
    369,982.35x = 554,910.93 × 103,681.58
  4. Step 4: Simplify right side
    369,982.35x = 57,534,039,207.11
  5. Step 5: Solve for x
    x = 57,534,039,207.11/369,982.35
  6. Step 6: Final answer
    x = 155,504.82

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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.