Home / 131,658.64-196,475.55-117,661.84

Finding the Fourth Proportional to 131,658.64, 196,475.55 and 117,661.84

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Solution

The fourth proportional to 131,658.64, 196,475.55 and 117,661.84 is: 175,587.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,658.64 : 196,475.55 = 117,661.84 : x
  2. Step 2: Convert to fraction form
    131,658.64/196,475.55 = 117,661.84/x
  3. Step 3: Cross multiply
    131,658.64x = 196,475.55 × 117,661.84
  4. Step 4: Simplify right side
    131,658.64x = 23,117,674,728.01
  5. Step 5: Solve for x
    x = 23,117,674,728.01/131,658.64
  6. Step 6: Final answer
    x = 175,587.98

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.