Home / 253,440.92-349,710.83-153,933.75

Finding the Fourth Proportional to 253,440.92, 349,710.83 and 153,933.75

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Solution

The fourth proportional to 253,440.92, 349,710.83 and 153,933.75 is: 212,405.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,440.92 : 349,710.83 = 153,933.75 : x
  2. Step 2: Convert to fraction form
    253,440.92/349,710.83 = 153,933.75/x
  3. Step 3: Cross multiply
    253,440.92x = 349,710.83 × 153,933.75
  4. Step 4: Simplify right side
    253,440.92x = 53,832,298,707.84
  5. Step 5: Solve for x
    x = 53,832,298,707.84/253,440.92
  6. Step 6: Final answer
    x = 212,405.71

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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.