Home / 237,781.05-328,127.67-142,340.37

Finding the Fourth Proportional to 237,781.05, 328,127.67 and 142,340.37

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Solution

The fourth proportional to 237,781.05, 328,127.67 and 142,340.37 is: 196,423.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,781.05 : 328,127.67 = 142,340.37 : x
  2. Step 2: Convert to fraction form
    237,781.05/328,127.67 = 142,340.37/x
  3. Step 3: Cross multiply
    237,781.05x = 328,127.67 × 142,340.37
  4. Step 4: Simplify right side
    237,781.05x = 46,705,813,955.04
  5. Step 5: Solve for x
    x = 46,705,813,955.04/237,781.05
  6. Step 6: Final answer
    x = 196,423.62

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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.