Home / 283,923.08-391,813.07-163,072.18

Finding the Fourth Proportional to 283,923.08, 391,813.07 and 163,072.18

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Solution

The fourth proportional to 283,923.08, 391,813.07 and 163,072.18 is: 225,039.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,923.08 : 391,813.07 = 163,072.18 : x
  2. Step 2: Convert to fraction form
    283,923.08/391,813.07 = 163,072.18/x
  3. Step 3: Cross multiply
    283,923.08x = 391,813.07 × 163,072.18
  4. Step 4: Simplify right side
    283,923.08x = 63,893,811,477.39
  5. Step 5: Solve for x
    x = 63,893,811,477.39/283,923.08
  6. Step 6: Final answer
    x = 225,039.16

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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.