Home / 134,712.90-185,914.87-74,295.36

Finding the Fourth Proportional to 134,712.90, 185,914.87 and 74,295.36

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Solution

The fourth proportional to 134,712.90, 185,914.87 and 74,295.36 is: 102,533.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,712.90 : 185,914.87 = 74,295.36 : x
  2. Step 2: Convert to fraction form
    134,712.90/185,914.87 = 74,295.36/x
  3. Step 3: Cross multiply
    134,712.90x = 185,914.87 × 74,295.36
  4. Step 4: Simplify right side
    134,712.90x = 13,812,612,196.00
  5. Step 5: Solve for x
    x = 13,812,612,196.00/134,712.90
  6. Step 6: Final answer
    x = 102,533.70

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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.