Home / 257,091.77-385,887.04-124,065.68

Finding the Fourth Proportional to 257,091.77, 385,887.04 and 124,065.68

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Solution

The fourth proportional to 257,091.77, 385,887.04 and 124,065.68 is: 186,218.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,091.77 : 385,887.04 = 124,065.68 : x
  2. Step 2: Convert to fraction form
    257,091.77/385,887.04 = 124,065.68/x
  3. Step 3: Cross multiply
    257,091.77x = 385,887.04 × 124,065.68
  4. Step 4: Simplify right side
    257,091.77x = 47,875,335,781.19
  5. Step 5: Solve for x
    x = 47,875,335,781.19/257,091.77
  6. Step 6: Final answer
    x = 186,218.86

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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.