Home / 127,848.87-176,431.64-71,259.03

Finding the Fourth Proportional to 127,848.87, 176,431.64 and 71,259.03

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Solution

The fourth proportional to 127,848.87, 176,431.64 and 71,259.03 is: 98,337.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,848.87 : 176,431.64 = 71,259.03 : x
  2. Step 2: Convert to fraction form
    127,848.87/176,431.64 = 71,259.03/x
  3. Step 3: Cross multiply
    127,848.87x = 176,431.64 × 71,259.03
  4. Step 4: Simplify right side
    127,848.87x = 12,572,347,171.41
  5. Step 5: Solve for x
    x = 12,572,347,171.41/127,848.87
  6. Step 6: Final answer
    x = 98,337.57

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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.