Home / 234,860.10-352,140.30-154,805.64

Finding the Fourth Proportional to 234,860.10, 352,140.30 and 154,805.64

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Solution

The fourth proportional to 234,860.10, 352,140.30 and 154,805.64 is: 232,109.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,860.10 : 352,140.30 = 154,805.64 : x
  2. Step 2: Convert to fraction form
    234,860.10/352,140.30 = 154,805.64/x
  3. Step 3: Cross multiply
    234,860.10x = 352,140.30 × 154,805.64
  4. Step 4: Simplify right side
    234,860.10x = 54,513,306,412.34
  5. Step 5: Solve for x
    x = 54,513,306,412.34/234,860.10
  6. Step 6: Final answer
    x = 232,109.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.