Home / 95,937.20-143,905.80-76,108.40

Finding the Fourth Proportional to 95,937.20, 143,905.80 and 76,108.40

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Solution

The fourth proportional to 95,937.20, 143,905.80 and 76,108.40 is: 114,162.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,937.20 : 143,905.80 = 76,108.40 : x
  2. Step 2: Convert to fraction form
    95,937.20/143,905.80 = 76,108.40/x
  3. Step 3: Cross multiply
    95,937.20x = 143,905.80 × 76,108.40
  4. Step 4: Simplify right side
    95,937.20x = 10,952,440,188.72
  5. Step 5: Solve for x
    x = 10,952,440,188.72/95,937.20
  6. Step 6: Final answer
    x = 114,162.60

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1.5x scale

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.