Home / 147,192.30-203,130.28-82,672.89

Finding the Fourth Proportional to 147,192.30, 203,130.28 and 82,672.89

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Solution

The fourth proportional to 147,192.30, 203,130.28 and 82,672.89 is: 114,091.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,192.30 : 203,130.28 = 82,672.89 : x
  2. Step 2: Convert to fraction form
    147,192.30/203,130.28 = 82,672.89/x
  3. Step 3: Cross multiply
    147,192.30x = 203,130.28 × 82,672.89
  4. Step 4: Simplify right side
    147,192.30x = 16,793,367,294.11
  5. Step 5: Solve for x
    x = 16,793,367,294.11/147,192.30
  6. Step 6: Final answer
    x = 114,091.34

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1.5x scale

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.