Home / 234,140.39-323,113.71-126,710.42

Finding the Fourth Proportional to 234,140.39, 323,113.71 and 126,710.42

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Solution

The fourth proportional to 234,140.39, 323,113.71 and 126,710.42 is: 174,860.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,140.39 : 323,113.71 = 126,710.42 : x
  2. Step 2: Convert to fraction form
    234,140.39/323,113.71 = 126,710.42/x
  3. Step 3: Cross multiply
    234,140.39x = 323,113.71 × 126,710.42
  4. Step 4: Simplify right side
    234,140.39x = 40,941,873,901.86
  5. Step 5: Solve for x
    x = 40,941,873,901.86/234,140.39
  6. Step 6: Final answer
    x = 174,860.36

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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.