Home / 131,433.07-197,206.10-42,713.77

Finding the Fourth Proportional to 131,433.07, 197,206.10 and 42,713.77

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Solution

The fourth proportional to 131,433.07, 197,206.10 and 42,713.77 is: 64,089.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,433.07 : 197,206.10 = 42,713.77 : x
  2. Step 2: Convert to fraction form
    131,433.07/197,206.10 = 42,713.77/x
  3. Step 3: Cross multiply
    131,433.07x = 197,206.10 × 42,713.77
  4. Step 4: Simplify right side
    131,433.07x = 8,423,415,998.00
  5. Step 5: Solve for x
    x = 8,423,415,998.00/131,433.07
  6. Step 6: Final answer
    x = 64,089.02

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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.