Home / 131,455.34-197,104.03-51,397.92

Finding the Fourth Proportional to 131,455.34, 197,104.03 and 51,397.92

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Solution

The fourth proportional to 131,455.34, 197,104.03 and 51,397.92 is: 77,066.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,455.34 : 197,104.03 = 51,397.92 : x
  2. Step 2: Convert to fraction form
    131,455.34/197,104.03 = 51,397.92/x
  3. Step 3: Cross multiply
    131,455.34x = 197,104.03 × 51,397.92
  4. Step 4: Simplify right side
    131,455.34x = 10,130,737,776.26
  5. Step 5: Solve for x
    x = 10,130,737,776.26/131,455.34
  6. Step 6: Final answer
    x = 77,066.01

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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.