Home / 106,135.52-146,527.45-70,373.88

Finding the Fourth Proportional to 106,135.52, 146,527.45 and 70,373.88

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Solution

The fourth proportional to 106,135.52, 146,527.45 and 70,373.88 is: 97,156.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,135.52 : 146,527.45 = 70,373.88 : x
  2. Step 2: Convert to fraction form
    106,135.52/146,527.45 = 70,373.88/x
  3. Step 3: Cross multiply
    106,135.52x = 146,527.45 × 70,373.88
  4. Step 4: Simplify right side
    106,135.52x = 10,311,705,007.07
  5. Step 5: Solve for x
    x = 10,311,705,007.07/106,135.52
  6. Step 6: Final answer
    x = 97,156.03

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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.