Home / 280,846.24-387,316.88-233,023.84

Finding the Fourth Proportional to 280,846.24, 387,316.88 and 233,023.84

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Solution

The fourth proportional to 280,846.24, 387,316.88 and 233,023.84 is: 321,364.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,846.24 : 387,316.88 = 233,023.84 : x
  2. Step 2: Convert to fraction form
    280,846.24/387,316.88 = 233,023.84/x
  3. Step 3: Cross multiply
    280,846.24x = 387,316.88 × 233,023.84
  4. Step 4: Simplify right side
    280,846.24x = 90,254,066,674.42
  5. Step 5: Solve for x
    x = 90,254,066,674.42/280,846.24
  6. Step 6: Final answer
    x = 321,364.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.