Home / 117,918.99-162,731.12-64,206.94

Finding the Fourth Proportional to 117,918.99, 162,731.12 and 64,206.94

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Solution

The fourth proportional to 117,918.99, 162,731.12 and 64,206.94 is: 88,607.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,918.99 : 162,731.12 = 64,206.94 : x
  2. Step 2: Convert to fraction form
    117,918.99/162,731.12 = 64,206.94/x
  3. Step 3: Cross multiply
    117,918.99x = 162,731.12 × 64,206.94
  4. Step 4: Simplify right side
    117,918.99x = 10,448,466,936.94
  5. Step 5: Solve for x
    x = 10,448,466,936.94/117,918.99
  6. Step 6: Final answer
    x = 88,607.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.