Home / 134,678.76-185,848.26-74,246.28

Finding the Fourth Proportional to 134,678.76, 185,848.26 and 74,246.28

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Solution

The fourth proportional to 134,678.76, 185,848.26 and 74,246.28 is: 102,455.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,678.76 : 185,848.26 = 74,246.28 : x
  2. Step 2: Convert to fraction form
    134,678.76/185,848.26 = 74,246.28/x
  3. Step 3: Cross multiply
    134,678.76x = 185,848.26 × 74,246.28
  4. Step 4: Simplify right side
    134,678.76x = 13,798,541,949.47
  5. Step 5: Solve for x
    x = 13,798,541,949.47/134,678.76
  6. Step 6: Final answer
    x = 102,455.22

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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.