Home / 282,566.38-389,998.90-173,621.10

Finding the Fourth Proportional to 282,566.38, 389,998.90 and 173,621.10

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Solution

The fourth proportional to 282,566.38, 389,998.90 and 173,621.10 is: 239,632.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,566.38 : 389,998.90 = 173,621.10 : x
  2. Step 2: Convert to fraction form
    282,566.38/389,998.90 = 173,621.10/x
  3. Step 3: Cross multiply
    282,566.38x = 389,998.90 × 173,621.10
  4. Step 4: Simplify right side
    282,566.38x = 67,712,038,016.79
  5. Step 5: Solve for x
    x = 67,712,038,016.79/282,566.38
  6. Step 6: Final answer
    x = 239,632.32

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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.