Home / 131,002.13-196,496.30-42,255.65

Finding the Fourth Proportional to 131,002.13, 196,496.30 and 42,255.65

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Solution

The fourth proportional to 131,002.13, 196,496.30 and 42,255.65 is: 63,381.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,002.13 : 196,496.30 = 42,255.65 : x
  2. Step 2: Convert to fraction form
    131,002.13/196,496.30 = 42,255.65/x
  3. Step 3: Cross multiply
    131,002.13x = 196,496.30 × 42,255.65
  4. Step 4: Simplify right side
    131,002.13x = 8,303,077,685.34
  5. Step 5: Solve for x
    x = 8,303,077,685.34/131,002.13
  6. Step 6: Final answer
    x = 63,381.24

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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.