Home / 131,423.44-181,364.19-70,994.07

Finding the Fourth Proportional to 131,423.44, 181,364.19 and 70,994.07

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Solution

The fourth proportional to 131,423.44, 181,364.19 and 70,994.07 is: 97,971.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,423.44 : 181,364.19 = 70,994.07 : x
  2. Step 2: Convert to fraction form
    131,423.44/181,364.19 = 70,994.07/x
  3. Step 3: Cross multiply
    131,423.44x = 181,364.19 × 70,994.07
  4. Step 4: Simplify right side
    131,423.44x = 12,875,781,933.80
  5. Step 5: Solve for x
    x = 12,875,781,933.80/131,423.44
  6. Step 6: Final answer
    x = 97,971.73

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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.