Home / 131,152.08-196,736.80-37,658.64

Finding the Fourth Proportional to 131,152.08, 196,736.80 and 37,658.64

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Solution

The fourth proportional to 131,152.08, 196,736.80 and 37,658.64 is: 56,490.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,152.08 : 196,736.80 = 37,658.64 : x
  2. Step 2: Convert to fraction form
    131,152.08/196,736.80 = 37,658.64/x
  3. Step 3: Cross multiply
    131,152.08x = 196,736.80 × 37,658.64
  4. Step 4: Simplify right side
    131,152.08x = 7,408,840,325.95
  5. Step 5: Solve for x
    x = 7,408,840,325.95/131,152.08
  6. Step 6: Final answer
    x = 56,490.45

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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.