Home / 153,769.76-212,013.73-126,450.37

Finding the Fourth Proportional to 153,769.76, 212,013.73 and 126,450.37

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Solution

The fourth proportional to 153,769.76, 212,013.73 and 126,450.37 is: 174,346.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,769.76 : 212,013.73 = 126,450.37 : x
  2. Step 2: Convert to fraction form
    153,769.76/212,013.73 = 126,450.37/x
  3. Step 3: Cross multiply
    153,769.76x = 212,013.73 × 126,450.37
  4. Step 4: Simplify right side
    153,769.76x = 26,809,215,026.66
  5. Step 5: Solve for x
    x = 26,809,215,026.66/153,769.76
  6. Step 6: Final answer
    x = 174,346.47

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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.