Home / 303,962.40-456,073.20-146,109.60

Finding the Fourth Proportional to 303,962.40, 456,073.20 and 146,109.60

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Solution

The fourth proportional to 303,962.40, 456,073.20 and 146,109.60 is: 219,226.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,962.40 : 456,073.20 = 146,109.60 : x
  2. Step 2: Convert to fraction form
    303,962.40/456,073.20 = 146,109.60/x
  3. Step 3: Cross multiply
    303,962.40x = 456,073.20 × 146,109.60
  4. Step 4: Simplify right side
    303,962.40x = 66,636,672,822.72
  5. Step 5: Solve for x
    x = 66,636,672,822.72/303,962.40
  6. Step 6: Final answer
    x = 219,226.70

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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.