Home / 131,381.57-181,306.56-70,952.22

Finding the Fourth Proportional to 131,381.57, 181,306.56 and 70,952.22

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Solution

The fourth proportional to 131,381.57, 181,306.56 and 70,952.22 is: 97,914.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,381.57 : 181,306.56 = 70,952.22 : x
  2. Step 2: Convert to fraction form
    131,381.57/181,306.56 = 70,952.22/x
  3. Step 3: Cross multiply
    131,381.57x = 181,306.56 × 70,952.22
  4. Step 4: Simplify right side
    131,381.57x = 12,864,103,198.63
  5. Step 5: Solve for x
    x = 12,864,103,198.63/131,381.57
  6. Step 6: Final answer
    x = 97,914.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.