Home / 158,988.80-219,356.70-95,303.36

Finding the Fourth Proportional to 158,988.80, 219,356.70 and 95,303.36

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Solution

The fourth proportional to 158,988.80, 219,356.70 and 95,303.36 is: 131,489.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,988.80 : 219,356.70 = 95,303.36 : x
  2. Step 2: Convert to fraction form
    158,988.80/219,356.70 = 95,303.36/x
  3. Step 3: Cross multiply
    158,988.80x = 219,356.70 × 95,303.36
  4. Step 4: Simplify right side
    158,988.80x = 20,905,430,548.51
  5. Step 5: Solve for x
    x = 20,905,430,548.51/158,988.80
  6. Step 6: Final answer
    x = 131,489.96

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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.