Home / 131,128.88-196,693.44-56,200.40

Finding the Fourth Proportional to 131,128.88, 196,693.44 and 56,200.40

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Solution

The fourth proportional to 131,128.88, 196,693.44 and 56,200.40 is: 84,300.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,128.88 : 196,693.44 = 56,200.40 : x
  2. Step 2: Convert to fraction form
    131,128.88/196,693.44 = 56,200.40/x
  3. Step 3: Cross multiply
    131,128.88x = 196,693.44 × 56,200.40
  4. Step 4: Simplify right side
    131,128.88x = 11,054,250,005.38
  5. Step 5: Solve for x
    x = 11,054,250,005.38/131,128.88
  6. Step 6: Final answer
    x = 84,300.65

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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.