Home / 253,033.12-349,047.52-162,288.12

Finding the Fourth Proportional to 253,033.12, 349,047.52 and 162,288.12

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Solution

The fourth proportional to 253,033.12, 349,047.52 and 162,288.12 is: 223,868.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,033.12 : 349,047.52 = 162,288.12 : x
  2. Step 2: Convert to fraction form
    253,033.12/349,047.52 = 162,288.12/x
  3. Step 3: Cross multiply
    253,033.12x = 349,047.52 × 162,288.12
  4. Step 4: Simplify right side
    253,033.12x = 56,646,265,811.46
  5. Step 5: Solve for x
    x = 56,646,265,811.46/253,033.12
  6. Step 6: Final answer
    x = 223,868.98

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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.