Home / 127,714.74-176,246.31-74,030.91

Finding the Fourth Proportional to 127,714.74, 176,246.31 and 74,030.91

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Solution

The fourth proportional to 127,714.74, 176,246.31 and 74,030.91 is: 102,162.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,714.74 : 176,246.31 = 74,030.91 : x
  2. Step 2: Convert to fraction form
    127,714.74/176,246.31 = 74,030.91/x
  3. Step 3: Cross multiply
    127,714.74x = 176,246.31 × 74,030.91
  4. Step 4: Simplify right side
    127,714.74x = 13,047,674,713.44
  5. Step 5: Solve for x
    x = 13,047,674,713.44/127,714.74
  6. Step 6: Final answer
    x = 102,162.64

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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.