Home / 282,301.11-389,575.89-153,239.49

Finding the Fourth Proportional to 282,301.11, 389,575.89 and 153,239.49

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Solution

The fourth proportional to 282,301.11, 389,575.89 and 153,239.49 is: 211,470.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,301.11 : 389,575.89 = 153,239.49 : x
  2. Step 2: Convert to fraction form
    282,301.11/389,575.89 = 153,239.49/x
  3. Step 3: Cross multiply
    282,301.11x = 389,575.89 × 153,239.49
  4. Step 4: Simplify right side
    282,301.11x = 59,698,410,699.90
  5. Step 5: Solve for x
    x = 59,698,410,699.90/282,301.11
  6. Step 6: Final answer
    x = 211,470.69

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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.