Home / 117,100.08-175,672.80-38,193.12

Finding the Fourth Proportional to 117,100.08, 175,672.80 and 38,193.12

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Solution

The fourth proportional to 117,100.08, 175,672.80 and 38,193.12 is: 57,297.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,100.08 : 175,672.80 = 38,193.12 : x
  2. Step 2: Convert to fraction form
    117,100.08/175,672.80 = 38,193.12/x
  3. Step 3: Cross multiply
    117,100.08x = 175,672.80 × 38,193.12
  4. Step 4: Simplify right side
    117,100.08x = 6,709,492,331.14
  5. Step 5: Solve for x
    x = 6,709,492,331.14/117,100.08
  6. Step 6: Final answer
    x = 57,297.08

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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.