Home / 172,415.04-237,931.20-96,961.92

Finding the Fourth Proportional to 172,415.04, 237,931.20 and 96,961.92

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Solution

The fourth proportional to 172,415.04, 237,931.20 and 96,961.92 is: 133,806.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,415.04 : 237,931.20 = 96,961.92 : x
  2. Step 2: Convert to fraction form
    172,415.04/237,931.20 = 96,961.92/x
  3. Step 3: Cross multiply
    172,415.04x = 237,931.20 × 96,961.92
  4. Step 4: Simplify right side
    172,415.04x = 23,070,265,979.90
  5. Step 5: Solve for x
    x = 23,070,265,979.90/172,415.04
  6. Step 6: Final answer
    x = 133,806.57

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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.