Home / 282,315.73-389,596.35-154,999.52

Finding the Fourth Proportional to 282,315.73, 389,596.35 and 154,999.52

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Solution

The fourth proportional to 282,315.73, 389,596.35 and 154,999.52 is: 213,899.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,315.73 : 389,596.35 = 154,999.52 : x
  2. Step 2: Convert to fraction form
    282,315.73/389,596.35 = 154,999.52/x
  3. Step 3: Cross multiply
    282,315.73x = 389,596.35 × 154,999.52
  4. Step 4: Simplify right side
    282,315.73x = 60,387,247,243.75
  5. Step 5: Solve for x
    x = 60,387,247,243.75/282,315.73
  6. Step 6: Final answer
    x = 213,899.69

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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.