Home / 131,424.22-181,365.22-70,994.85

Finding the Fourth Proportional to 131,424.22, 181,365.22 and 70,994.85

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Solution

The fourth proportional to 131,424.22, 181,365.22 and 70,994.85 is: 97,972.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,424.22 : 181,365.22 = 70,994.85 : x
  2. Step 2: Convert to fraction form
    131,424.22/181,365.22 = 70,994.85/x
  3. Step 3: Cross multiply
    131,424.22x = 181,365.22 × 70,994.85
  4. Step 4: Simplify right side
    131,424.22x = 12,875,996,589.12
  5. Step 5: Solve for x
    x = 12,875,996,589.12/131,424.22
  6. Step 6: Final answer
    x = 97,972.78

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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.