Home / 158,970.74-219,325.35-98,519.32

Finding the Fourth Proportional to 158,970.74, 219,325.35 and 98,519.32

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Solution

The fourth proportional to 158,970.74, 219,325.35 and 98,519.32 is: 135,923.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,970.74 : 219,325.35 = 98,519.32 : x
  2. Step 2: Convert to fraction form
    158,970.74/219,325.35 = 98,519.32/x
  3. Step 3: Cross multiply
    158,970.74x = 219,325.35 × 98,519.32
  4. Step 4: Simplify right side
    158,970.74x = 21,607,784,984.37
  5. Step 5: Solve for x
    x = 21,607,784,984.37/158,970.74
  6. Step 6: Final answer
    x = 135,923.04

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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.