Home / 131,746.48-197,651.21-43,000.15

Finding the Fourth Proportional to 131,746.48, 197,651.21 and 43,000.15

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Solution

The fourth proportional to 131,746.48, 197,651.21 and 43,000.15 is: 64,510.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,746.48 : 197,651.21 = 43,000.15 : x
  2. Step 2: Convert to fraction form
    131,746.48/197,651.21 = 43,000.15/x
  3. Step 3: Cross multiply
    131,746.48x = 197,651.21 × 43,000.15
  4. Step 4: Simplify right side
    131,746.48x = 8,499,031,677.68
  5. Step 5: Solve for x
    x = 8,499,031,677.68/131,746.48
  6. Step 6: Final answer
    x = 64,510.50

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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.