Home / 238,359.69-328,983.27-135,012.36

Finding the Fourth Proportional to 238,359.69, 328,983.27 and 135,012.36

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Solution

The fourth proportional to 238,359.69, 328,983.27 and 135,012.36 is: 186,343.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,359.69 : 328,983.27 = 135,012.36 : x
  2. Step 2: Convert to fraction form
    238,359.69/328,983.27 = 135,012.36/x
  3. Step 3: Cross multiply
    238,359.69x = 328,983.27 × 135,012.36
  4. Step 4: Simplify right side
    238,359.69x = 44,416,807,683.22
  5. Step 5: Solve for x
    x = 44,416,807,683.22/238,359.69
  6. Step 6: Final answer
    x = 186,343.62

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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.