Home / 117,161.91-175,706.55-42,272.35

Finding the Fourth Proportional to 117,161.91, 175,706.55 and 42,272.35

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Solution

The fourth proportional to 117,161.91, 175,706.55 and 42,272.35 is: 63,395.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,161.91 : 175,706.55 = 42,272.35 : x
  2. Step 2: Convert to fraction form
    117,161.91/175,706.55 = 42,272.35/x
  3. Step 3: Cross multiply
    117,161.91x = 175,706.55 × 42,272.35
  4. Step 4: Simplify right side
    117,161.91x = 7,427,528,339.63
  5. Step 5: Solve for x
    x = 7,427,528,339.63/117,161.91
  6. Step 6: Final answer
    x = 63,395.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.