Home / 236,914.84-326,947.71-129,491.83

Finding the Fourth Proportional to 236,914.84, 326,947.71 and 129,491.83

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Solution

The fourth proportional to 236,914.84, 326,947.71 and 129,491.83 is: 178,701.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,914.84 : 326,947.71 = 129,491.83 : x
  2. Step 2: Convert to fraction form
    236,914.84/326,947.71 = 129,491.83/x
  3. Step 3: Cross multiply
    236,914.84x = 326,947.71 × 129,491.83
  4. Step 4: Simplify right side
    236,914.84x = 42,337,057,282.21
  5. Step 5: Solve for x
    x = 42,337,057,282.21/236,914.84
  6. Step 6: Final answer
    x = 178,701.58

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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.