Home / 236,013.40-326,112.78-188,657.56

Finding the Fourth Proportional to 236,013.40, 326,112.78 and 188,657.56

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Solution

The fourth proportional to 236,013.40, 326,112.78 and 188,657.56 is: 260,678.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,013.40 : 326,112.78 = 188,657.56 : x
  2. Step 2: Convert to fraction form
    236,013.40/326,112.78 = 188,657.56/x
  3. Step 3: Cross multiply
    236,013.40x = 326,112.78 × 188,657.56
  4. Step 4: Simplify right side
    236,013.40x = 61,523,641,359.62
  5. Step 5: Solve for x
    x = 61,523,641,359.62/236,013.40
  6. Step 6: Final answer
    x = 260,678.59

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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.