Home / 118,715.36-178,082.30-34,476.90

Finding the Fourth Proportional to 118,715.36, 178,082.30 and 34,476.90

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Solution

The fourth proportional to 118,715.36, 178,082.30 and 34,476.90 is: 51,718.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,715.36 : 178,082.30 = 34,476.90 : x
  2. Step 2: Convert to fraction form
    118,715.36/178,082.30 = 34,476.90/x
  3. Step 3: Cross multiply
    118,715.36x = 178,082.30 × 34,476.90
  4. Step 4: Simplify right side
    118,715.36x = 6,139,725,476.49
  5. Step 5: Solve for x
    x = 6,139,725,476.49/118,715.36
  6. Step 6: Final answer
    x = 51,718.04

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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.