Home / 131,840.16-197,793.81-38,345.88

Finding the Fourth Proportional to 131,840.16, 197,793.81 and 38,345.88

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Solution

The fourth proportional to 131,840.16, 197,793.81 and 38,345.88 is: 57,528.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,840.16 : 197,793.81 = 38,345.88 : x
  2. Step 2: Convert to fraction form
    131,840.16/197,793.81 = 38,345.88/x
  3. Step 3: Cross multiply
    131,840.16x = 197,793.81 × 38,345.88
  4. Step 4: Simplify right side
    131,840.16x = 7,584,577,703.00
  5. Step 5: Solve for x
    x = 7,584,577,703.00/131,840.16
  6. Step 6: Final answer
    x = 57,528.58

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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.