Home / 257,255.78-354,835.80-180,936.77

Finding the Fourth Proportional to 257,255.78, 354,835.80 and 180,936.77

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Solution

The fourth proportional to 257,255.78, 354,835.80 and 180,936.77 is: 249,568.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,255.78 : 354,835.80 = 180,936.77 : x
  2. Step 2: Convert to fraction form
    257,255.78/354,835.80 = 180,936.77/x
  3. Step 3: Cross multiply
    257,255.78x = 354,835.80 × 180,936.77
  4. Step 4: Simplify right side
    257,255.78x = 64,202,841,758.19
  5. Step 5: Solve for x
    x = 64,202,841,758.19/257,255.78
  6. Step 6: Final answer
    x = 249,568.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.