Home / 236,841.84-326,844.05-129,411.87

Finding the Fourth Proportional to 236,841.84, 326,844.05 and 129,411.87

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Solution

The fourth proportional to 236,841.84, 326,844.05 and 129,411.87 is: 178,589.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,841.84 : 326,844.05 = 129,411.87 : x
  2. Step 2: Convert to fraction form
    236,841.84/326,844.05 = 129,411.87/x
  3. Step 3: Cross multiply
    236,841.84x = 326,844.05 × 129,411.87
  4. Step 4: Simplify right side
    236,841.84x = 42,297,499,061.81
  5. Step 5: Solve for x
    x = 42,297,499,061.81/236,841.84
  6. Step 6: Final answer
    x = 178,589.64

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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.