Home / 117,515.16-176,097.72-64,939.68

Finding the Fourth Proportional to 117,515.16, 176,097.72 and 64,939.68

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Solution

The fourth proportional to 117,515.16, 176,097.72 and 64,939.68 is: 97,312.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,515.16 : 176,097.72 = 64,939.68 : x
  2. Step 2: Convert to fraction form
    117,515.16/176,097.72 = 64,939.68/x
  3. Step 3: Cross multiply
    117,515.16x = 176,097.72 × 64,939.68
  4. Step 4: Simplify right side
    117,515.16x = 11,435,729,585.53
  5. Step 5: Solve for x
    x = 11,435,729,585.53/117,515.16
  6. Step 6: Final answer
    x = 97,312.80

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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.