Home / 134,800.65-186,025.55-74,371.29

Finding the Fourth Proportional to 134,800.65, 186,025.55 and 74,371.29

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Solution

The fourth proportional to 134,800.65, 186,025.55 and 74,371.29 is: 102,632.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,800.65 : 186,025.55 = 74,371.29 : x
  2. Step 2: Convert to fraction form
    134,800.65/186,025.55 = 74,371.29/x
  3. Step 3: Cross multiply
    134,800.65x = 186,025.55 × 74,371.29
  4. Step 4: Simplify right side
    134,800.65x = 13,834,959,754.60
  5. Step 5: Solve for x
    x = 13,834,959,754.60/134,800.65
  6. Step 6: Final answer
    x = 102,632.74

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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.