Home / 234,139.49-323,113.51-126,709.53

Finding the Fourth Proportional to 234,139.49, 323,113.51 and 126,709.53

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Solution

The fourth proportional to 234,139.49, 323,113.51 and 126,709.53 is: 174,859.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,139.49 : 323,113.51 = 126,709.53 : x
  2. Step 2: Convert to fraction form
    234,139.49/323,113.51 = 126,709.53/x
  3. Step 3: Cross multiply
    234,139.49x = 323,113.51 × 126,709.53
  4. Step 4: Simplify right side
    234,139.49x = 40,941,562,109.35
  5. Step 5: Solve for x
    x = 40,941,562,109.35/234,139.49
  6. Step 6: Final answer
    x = 174,859.71

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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.