Home / 387,748.37-581,622.77-177,238.69

Finding the Fourth Proportional to 387,748.37, 581,622.77 and 177,238.69

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Solution

The fourth proportional to 387,748.37, 581,622.77 and 177,238.69 is: 265,858.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,748.37 : 581,622.77 = 177,238.69 : x
  2. Step 2: Convert to fraction form
    387,748.37/581,622.77 = 177,238.69/x
  3. Step 3: Cross multiply
    387,748.37x = 581,622.77 × 177,238.69
  4. Step 4: Simplify right side
    387,748.37x = 103,086,056,818.01
  5. Step 5: Solve for x
    x = 103,086,056,818.01/387,748.37
  6. Step 6: Final answer
    x = 265,858.13

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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.