Home / 131,728.41-197,592.75-61,656.93

Finding the Fourth Proportional to 131,728.41, 197,592.75 and 61,656.93

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Solution

The fourth proportional to 131,728.41, 197,592.75 and 61,656.93 is: 92,485.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,728.41 : 197,592.75 = 61,656.93 : x
  2. Step 2: Convert to fraction form
    131,728.41/197,592.75 = 61,656.93/x
  3. Step 3: Cross multiply
    131,728.41x = 197,592.75 × 61,656.93
  4. Step 4: Simplify right side
    131,728.41x = 12,182,962,355.26
  5. Step 5: Solve for x
    x = 12,182,962,355.26/131,728.41
  6. Step 6: Final answer
    x = 92,485.46

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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.