Home / 134,911.59-186,178.23-74,482.33

Finding the Fourth Proportional to 134,911.59, 186,178.23 and 74,482.33

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Solution

The fourth proportional to 134,911.59, 186,178.23 and 74,482.33 is: 102,785.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,911.59 : 186,178.23 = 74,482.33 : x
  2. Step 2: Convert to fraction form
    134,911.59/186,178.23 = 74,482.33/x
  3. Step 3: Cross multiply
    134,911.59x = 186,178.23 × 74,482.33
  4. Step 4: Simplify right side
    134,911.59x = 13,866,987,993.26
  5. Step 5: Solve for x
    x = 13,866,987,993.26/134,911.59
  6. Step 6: Final answer
    x = 102,785.75

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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.