Home / 185,808.87-256,456.98-122,152.59

Finding the Fourth Proportional to 185,808.87, 256,456.98 and 122,152.59

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Solution

The fourth proportional to 185,808.87, 256,456.98 and 122,152.59 is: 168,597.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,808.87 : 256,456.98 = 122,152.59 : x
  2. Step 2: Convert to fraction form
    185,808.87/256,456.98 = 122,152.59/x
  3. Step 3: Cross multiply
    185,808.87x = 256,456.98 × 122,152.59
  4. Step 4: Simplify right side
    185,808.87x = 31,326,884,330.58
  5. Step 5: Solve for x
    x = 31,326,884,330.58/185,808.87
  6. Step 6: Final answer
    x = 168,597.36

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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.