Home / 127,807.19-176,374.62-74,124.03

Finding the Fourth Proportional to 127,807.19, 176,374.62 and 74,124.03

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Solution

The fourth proportional to 127,807.19, 176,374.62 and 74,124.03 is: 102,291.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,807.19 : 176,374.62 = 74,124.03 : x
  2. Step 2: Convert to fraction form
    127,807.19/176,374.62 = 74,124.03/x
  3. Step 3: Cross multiply
    127,807.19x = 176,374.62 × 74,124.03
  4. Step 4: Simplify right side
    127,807.19x = 13,073,597,253.50
  5. Step 5: Solve for x
    x = 13,073,597,253.50/127,807.19
  6. Step 6: Final answer
    x = 102,291.57

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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.