Home / 191,157.04-263,869.86-127,471.60

Finding the Fourth Proportional to 191,157.04, 263,869.86 and 127,471.60

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Solution

The fourth proportional to 191,157.04, 263,869.86 and 127,471.60 is: 175,959.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,157.04 : 263,869.86 = 127,471.60 : x
  2. Step 2: Convert to fraction form
    191,157.04/263,869.86 = 127,471.60/x
  3. Step 3: Cross multiply
    191,157.04x = 263,869.86 × 127,471.60
  4. Step 4: Simplify right side
    191,157.04x = 33,635,913,245.98
  5. Step 5: Solve for x
    x = 33,635,913,245.98/191,157.04
  6. Step 6: Final answer
    x = 175,959.58

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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.