Home / 127,864.40-176,491.58-74,162.61

Finding the Fourth Proportional to 127,864.40, 176,491.58 and 74,162.61

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Solution

The fourth proportional to 127,864.40, 176,491.58 and 74,162.61 is: 102,366.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,864.40 : 176,491.58 = 74,162.61 : x
  2. Step 2: Convert to fraction form
    127,864.40/176,491.58 = 74,162.61/x
  3. Step 3: Cross multiply
    127,864.40x = 176,491.58 × 74,162.61
  4. Step 4: Simplify right side
    127,864.40x = 13,089,075,845.01
  5. Step 5: Solve for x
    x = 13,089,075,845.01/127,864.40
  6. Step 6: Final answer
    x = 102,366.85

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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.