Home / 289,126.08-433,686.56-225,999.28

Finding the Fourth Proportional to 289,126.08, 433,686.56 and 225,999.28

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Solution

The fourth proportional to 289,126.08, 433,686.56 and 225,999.28 is: 338,996.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,126.08 : 433,686.56 = 225,999.28 : x
  2. Step 2: Convert to fraction form
    289,126.08/433,686.56 = 225,999.28/x
  3. Step 3: Cross multiply
    289,126.08x = 433,686.56 × 225,999.28
  4. Step 4: Simplify right side
    289,126.08x = 98,012,850,305.68
  5. Step 5: Solve for x
    x = 98,012,850,305.68/289,126.08
  6. Step 6: Final answer
    x = 338,996.92

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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.