Home / 148,979.20-223,929.60-146,214.40

Finding the Fourth Proportional to 148,979.20, 223,929.60 and 146,214.40

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Solution

The fourth proportional to 148,979.20, 223,929.60 and 146,214.40 is: 219,773.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,979.20 : 223,929.60 = 146,214.40 : x
  2. Step 2: Convert to fraction form
    148,979.20/223,929.60 = 146,214.40/x
  3. Step 3: Cross multiply
    148,979.20x = 223,929.60 × 146,214.40
  4. Step 4: Simplify right side
    148,979.20x = 32,741,732,106.24
  5. Step 5: Solve for x
    x = 32,741,732,106.24/148,979.20
  6. Step 6: Final answer
    x = 219,773.85

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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.