Home / 289,126.11-433,686.54-225,999.30

Finding the Fourth Proportional to 289,126.11, 433,686.54 and 225,999.30

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Solution

The fourth proportional to 289,126.11, 433,686.54 and 225,999.30 is: 338,996.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,126.11 : 433,686.54 = 225,999.30 : x
  2. Step 2: Convert to fraction form
    289,126.11/433,686.54 = 225,999.30/x
  3. Step 3: Cross multiply
    289,126.11x = 433,686.54 × 225,999.30
  4. Step 4: Simplify right side
    289,126.11x = 98,012,854,459.42
  5. Step 5: Solve for x
    x = 98,012,854,459.42/289,126.11
  6. Step 6: Final answer
    x = 338,996.90

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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.