Home / 234,567.70-323,703.84-127,137.40

Finding the Fourth Proportional to 234,567.70, 323,703.84 and 127,137.40

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Solution

The fourth proportional to 234,567.70, 323,703.84 and 127,137.40 is: 175,449.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,567.70 : 323,703.84 = 127,137.40 : x
  2. Step 2: Convert to fraction form
    234,567.70/323,703.84 = 127,137.40/x
  3. Step 3: Cross multiply
    234,567.70x = 323,703.84 × 127,137.40
  4. Step 4: Simplify right side
    234,567.70x = 41,154,864,255.12
  5. Step 5: Solve for x
    x = 41,154,864,255.12/234,567.70
  6. Step 6: Final answer
    x = 175,449.84

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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.