Home / 131,130.48-196,520.04-122,732.40

Finding the Fourth Proportional to 131,130.48, 196,520.04 and 122,732.40

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Solution

The fourth proportional to 131,130.48, 196,520.04 and 122,732.40 is: 183,934.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,130.48 : 196,520.04 = 122,732.40 : x
  2. Step 2: Convert to fraction form
    131,130.48/196,520.04 = 122,732.40/x
  3. Step 3: Cross multiply
    131,130.48x = 196,520.04 × 122,732.40
  4. Step 4: Simplify right side
    131,130.48x = 24,119,376,157.30
  5. Step 5: Solve for x
    x = 24,119,376,157.30/131,130.48
  6. Step 6: Final answer
    x = 183,934.17

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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.