Home / 117,566.12-176,160.86-105,629.80

Finding the Fourth Proportional to 117,566.12, 176,160.86 and 105,629.80

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Solution

The fourth proportional to 117,566.12, 176,160.86 and 105,629.80 is: 158,275.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,566.12 : 176,160.86 = 105,629.80 : x
  2. Step 2: Convert to fraction form
    117,566.12/176,160.86 = 105,629.80/x
  3. Step 3: Cross multiply
    117,566.12x = 176,160.86 × 105,629.80
  4. Step 4: Simplify right side
    117,566.12x = 18,607,836,409.63
  5. Step 5: Solve for x
    x = 18,607,836,409.63/117,566.12
  6. Step 6: Final answer
    x = 158,275.50

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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.