Home / 289,202.10-433,025.55-209,886.90

Finding the Fourth Proportional to 289,202.10, 433,025.55 and 209,886.90

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Solution

The fourth proportional to 289,202.10, 433,025.55 and 209,886.90 is: 314,266.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,202.10 : 433,025.55 = 209,886.90 : x
  2. Step 2: Convert to fraction form
    289,202.10/433,025.55 = 209,886.90/x
  3. Step 3: Cross multiply
    289,202.10x = 433,025.55 × 209,886.90
  4. Step 4: Simplify right side
    289,202.10x = 90,886,390,310.30
  5. Step 5: Solve for x
    x = 90,886,390,310.30/289,202.10
  6. Step 6: Final answer
    x = 314,266.01

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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.