Home / 297,056.10-445,387.35-164,000.10

Finding the Fourth Proportional to 297,056.10, 445,387.35 and 164,000.10

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Solution

The fourth proportional to 297,056.10, 445,387.35 and 164,000.10 is: 245,891.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,056.10 : 445,387.35 = 164,000.10 : x
  2. Step 2: Convert to fraction form
    297,056.10/445,387.35 = 164,000.10/x
  3. Step 3: Cross multiply
    297,056.10x = 445,387.35 × 164,000.10
  4. Step 4: Simplify right side
    297,056.10x = 73,043,569,938.74
  5. Step 5: Solve for x
    x = 73,043,569,938.74/297,056.10
  6. Step 6: Final answer
    x = 245,891.50

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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.