Home / 135,316.53-186,730.43-74,061.36

Finding the Fourth Proportional to 135,316.53, 186,730.43 and 74,061.36

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Solution

The fourth proportional to 135,316.53, 186,730.43 and 74,061.36 is: 102,201.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,316.53 : 186,730.43 = 74,061.36 : x
  2. Step 2: Convert to fraction form
    135,316.53/186,730.43 = 74,061.36/x
  3. Step 3: Cross multiply
    135,316.53x = 186,730.43 × 74,061.36
  4. Step 4: Simplify right side
    135,316.53x = 13,829,509,228.88
  5. Step 5: Solve for x
    x = 13,829,509,228.88/135,316.53
  6. Step 6: Final answer
    x = 102,201.18

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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.