Home / 131,897.76-197,870.94-43,156.23

Finding the Fourth Proportional to 131,897.76, 197,870.94 and 43,156.23

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Solution

The fourth proportional to 131,897.76, 197,870.94 and 43,156.23 is: 64,742.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,897.76 : 197,870.94 = 43,156.23 : x
  2. Step 2: Convert to fraction form
    131,897.76/197,870.94 = 43,156.23/x
  3. Step 3: Cross multiply
    131,897.76x = 197,870.94 × 43,156.23
  4. Step 4: Simplify right side
    131,897.76x = 8,539,363,796.96
  5. Step 5: Solve for x
    x = 8,539,363,796.96/131,897.76
  6. Step 6: Final answer
    x = 64,742.30

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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.