Home / 134,975.82-186,267.42-74,545.32

Finding the Fourth Proportional to 134,975.82, 186,267.42 and 74,545.32

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Solution

The fourth proportional to 134,975.82, 186,267.42 and 74,545.32 is: 102,872.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,975.82 : 186,267.42 = 74,545.32 : x
  2. Step 2: Convert to fraction form
    134,975.82/186,267.42 = 74,545.32/x
  3. Step 3: Cross multiply
    134,975.82x = 186,267.42 × 74,545.32
  4. Step 4: Simplify right side
    134,975.82x = 13,885,364,429.47
  5. Step 5: Solve for x
    x = 13,885,364,429.47/134,975.82
  6. Step 6: Final answer
    x = 102,872.98

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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.