Home / 282,376.06-389,542.16-186,962.72

Finding the Fourth Proportional to 282,376.06, 389,542.16 and 186,962.72

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Solution

The fourth proportional to 282,376.06, 389,542.16 and 186,962.72 is: 257,917.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,376.06 : 389,542.16 = 186,962.72 : x
  2. Step 2: Convert to fraction form
    282,376.06/389,542.16 = 186,962.72/x
  3. Step 3: Cross multiply
    282,376.06x = 389,542.16 × 186,962.72
  4. Step 4: Simplify right side
    282,376.06x = 72,829,860,307.97
  5. Step 5: Solve for x
    x = 72,829,860,307.97/282,376.06
  6. Step 6: Final answer
    x = 257,917.97

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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.