Home / 117,107.88-175,554.18-42,209.70

Finding the Fourth Proportional to 117,107.88, 175,554.18 and 42,209.70

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Solution

The fourth proportional to 117,107.88, 175,554.18 and 42,209.70 is: 63,275.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,107.88 : 175,554.18 = 42,209.70 : x
  2. Step 2: Convert to fraction form
    117,107.88/175,554.18 = 42,209.70/x
  3. Step 3: Cross multiply
    117,107.88x = 175,554.18 × 42,209.70
  4. Step 4: Simplify right side
    117,107.88x = 7,410,089,271.55
  5. Step 5: Solve for x
    x = 7,410,089,271.55/117,107.88
  6. Step 6: Final answer
    x = 63,275.75

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1.5x scale

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.