Home / 131,632.08-197,038.62-71,510.22

Finding the Fourth Proportional to 131,632.08, 197,038.62 and 71,510.22

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Solution

The fourth proportional to 131,632.08, 197,038.62 and 71,510.22 is: 107,042.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,632.08 : 197,038.62 = 71,510.22 : x
  2. Step 2: Convert to fraction form
    131,632.08/197,038.62 = 71,510.22/x
  3. Step 3: Cross multiply
    131,632.08x = 197,038.62 × 71,510.22
  4. Step 4: Simplify right side
    131,632.08x = 14,090,275,064.70
  5. Step 5: Solve for x
    x = 14,090,275,064.70/131,632.08
  6. Step 6: Final answer
    x = 107,042.87

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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.