Home / 142,968.75-197,276.44-85,594.32

Finding the Fourth Proportional to 142,968.75, 197,276.44 and 85,594.32

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Solution

The fourth proportional to 142,968.75, 197,276.44 and 85,594.32 is: 118,107.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,968.75 : 197,276.44 = 85,594.32 : x
  2. Step 2: Convert to fraction form
    142,968.75/197,276.44 = 85,594.32/x
  3. Step 3: Cross multiply
    142,968.75x = 197,276.44 × 85,594.32
  4. Step 4: Simplify right side
    142,968.75x = 16,885,742,439.59
  5. Step 5: Solve for x
    x = 16,885,742,439.59/142,968.75
  6. Step 6: Final answer
    x = 118,107.93

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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.