Home / 289,005.24-433,632.38-120,558.74

Finding the Fourth Proportional to 289,005.24, 433,632.38 and 120,558.74

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Solution

The fourth proportional to 289,005.24, 433,632.38 and 120,558.74 is: 180,890.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,005.24 : 433,632.38 = 120,558.74 : x
  2. Step 2: Convert to fraction form
    289,005.24/433,632.38 = 120,558.74/x
  3. Step 3: Cross multiply
    289,005.24x = 433,632.38 × 120,558.74
  4. Step 4: Simplify right side
    289,005.24x = 52,278,173,356.00
  5. Step 5: Solve for x
    x = 52,278,173,356.00/289,005.24
  6. Step 6: Final answer
    x = 180,890.05

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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.