Home / 291,633.24-402,453.78-157,497.24

Finding the Fourth Proportional to 291,633.24, 402,453.78 and 157,497.24

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Solution

The fourth proportional to 291,633.24, 402,453.78 and 157,497.24 is: 217,346.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,633.24 : 402,453.78 = 157,497.24 : x
  2. Step 2: Convert to fraction form
    291,633.24/402,453.78 = 157,497.24/x
  3. Step 3: Cross multiply
    291,633.24x = 402,453.78 × 157,497.24
  4. Step 4: Simplify right side
    291,633.24x = 63,385,359,577.57
  5. Step 5: Solve for x
    x = 63,385,359,577.57/291,633.24
  6. Step 6: Final answer
    x = 217,346.14

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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.