Home / 282,239.43-389,343.29-173,368.31

Finding the Fourth Proportional to 282,239.43, 389,343.29 and 173,368.31

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Solution

The fourth proportional to 282,239.43, 389,343.29 and 173,368.31 is: 239,157.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,239.43 : 389,343.29 = 173,368.31 : x
  2. Step 2: Convert to fraction form
    282,239.43/389,343.29 = 173,368.31/x
  3. Step 3: Cross multiply
    282,239.43x = 389,343.29 × 173,368.31
  4. Step 4: Simplify right side
    282,239.43x = 67,499,785,383.58
  5. Step 5: Solve for x
    x = 67,499,785,383.58/282,239.43
  6. Step 6: Final answer
    x = 239,157.89

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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.