Home / 185,823.69-256,543.08-122,346

Finding the Fourth Proportional to 185,823.69, 256,543.08 and 122,346

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Solution

The fourth proportional to 185,823.69, 256,543.08 and 122,346 is: 168,907.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,823.69 : 256,543.08 = 122,346 : x
  2. Step 2: Convert to fraction form
    185,823.69/256,543.08 = 122,346/x
  3. Step 3: Cross multiply
    185,823.69x = 256,543.08 × 122,346
  4. Step 4: Simplify right side
    185,823.69x = 31,387,019,665.68
  5. Step 5: Solve for x
    x = 31,387,019,665.68/185,823.69
  6. Step 6: Final answer
    x = 168,907.53

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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.