Home / 169,319.40-254,564.70-158,356.20

Finding the Fourth Proportional to 169,319.40, 254,564.70 and 158,356.20

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Solution

The fourth proportional to 169,319.40, 254,564.70 and 158,356.20 is: 238,081.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,319.40 : 254,564.70 = 158,356.20 : x
  2. Step 2: Convert to fraction form
    169,319.40/254,564.70 = 158,356.20/x
  3. Step 3: Cross multiply
    169,319.40x = 254,564.70 × 158,356.20
  4. Step 4: Simplify right side
    169,319.40x = 40,311,898,546.14
  5. Step 5: Solve for x
    x = 40,311,898,546.14/169,319.40
  6. Step 6: Final answer
    x = 238,081.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.