Home / 205,283.04-308,001.06-125,484.72

Finding the Fourth Proportional to 205,283.04, 308,001.06 and 125,484.72

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Solution

The fourth proportional to 205,283.04, 308,001.06 and 125,484.72 is: 188,273.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,283.04 : 308,001.06 = 125,484.72 : x
  2. Step 2: Convert to fraction form
    205,283.04/308,001.06 = 125,484.72/x
  3. Step 3: Cross multiply
    205,283.04x = 308,001.06 × 125,484.72
  4. Step 4: Simplify right side
    205,283.04x = 38,649,426,773.80
  5. Step 5: Solve for x
    x = 38,649,426,773.80/205,283.04
  6. Step 6: Final answer
    x = 188,273.84

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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.