Home / 291,709.24-402,558.75-157,573.24

Finding the Fourth Proportional to 291,709.24, 402,558.75 and 157,573.24

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Solution

The fourth proportional to 291,709.24, 402,558.75 and 157,573.24 is: 217,451.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,709.24 : 402,558.75 = 157,573.24 : x
  2. Step 2: Convert to fraction form
    291,709.24/402,558.75 = 157,573.24/x
  3. Step 3: Cross multiply
    291,709.24x = 402,558.75 × 157,573.24
  4. Step 4: Simplify right side
    291,709.24x = 63,432,486,527.85
  5. Step 5: Solve for x
    x = 63,432,486,527.85/291,709.24
  6. Step 6: Final answer
    x = 217,451.07

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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.