Home / 117,256.74-176,120.45-69,964.10

Finding the Fourth Proportional to 117,256.74, 176,120.45 and 69,964.10

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Solution

The fourth proportional to 117,256.74, 176,120.45 and 69,964.10 is: 105,086.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,256.74 : 176,120.45 = 69,964.10 : x
  2. Step 2: Convert to fraction form
    117,256.74/176,120.45 = 69,964.10/x
  3. Step 3: Cross multiply
    117,256.74x = 176,120.45 × 69,964.10
  4. Step 4: Simplify right side
    117,256.74x = 12,322,108,426.02
  5. Step 5: Solve for x
    x = 12,322,108,426.02/117,256.74
  6. Step 6: Final answer
    x = 105,086.57

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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.