Home / 388,248.09-581,881.42-174,788.69

Finding the Fourth Proportional to 388,248.09, 581,881.42 and 174,788.69

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Solution

The fourth proportional to 388,248.09, 581,881.42 and 174,788.69 is: 261,962.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,248.09 : 581,881.42 = 174,788.69 : x
  2. Step 2: Convert to fraction form
    388,248.09/581,881.42 = 174,788.69/x
  3. Step 3: Cross multiply
    388,248.09x = 581,881.42 × 174,788.69
  4. Step 4: Simplify right side
    388,248.09x = 101,706,288,446.22
  5. Step 5: Solve for x
    x = 101,706,288,446.22/388,248.09
  6. Step 6: Final answer
    x = 261,962.11

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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.