Home / 117,812.30-175,385.88-117,111.65

Finding the Fourth Proportional to 117,812.30, 175,385.88 and 117,111.65

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Solution

The fourth proportional to 117,812.30, 175,385.88 and 117,111.65 is: 174,342.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,812.30 : 175,385.88 = 117,111.65 : x
  2. Step 2: Convert to fraction form
    117,812.30/175,385.88 = 117,111.65/x
  3. Step 3: Cross multiply
    117,812.30x = 175,385.88 × 117,111.65
  4. Step 4: Simplify right side
    117,812.30x = 20,539,729,739.22
  5. Step 5: Solve for x
    x = 20,539,729,739.22/117,812.30
  6. Step 6: Final answer
    x = 174,342.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.