Home / 127,699.20-191,548.80-59,303.86

Finding the Fourth Proportional to 127,699.20, 191,548.80 and 59,303.86

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Solution

The fourth proportional to 127,699.20, 191,548.80 and 59,303.86 is: 88,955.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,699.20 : 191,548.80 = 59,303.86 : x
  2. Step 2: Convert to fraction form
    127,699.20/191,548.80 = 59,303.86/x
  3. Step 3: Cross multiply
    127,699.20x = 191,548.80 × 59,303.86
  4. Step 4: Simplify right side
    127,699.20x = 11,359,583,816.96
  5. Step 5: Solve for x
    x = 11,359,583,816.96/127,699.20
  6. Step 6: Final answer
    x = 88,955.79

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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.