Home / 142,471.04-196,699.62-91,504.32

Finding the Fourth Proportional to 142,471.04, 196,699.62 and 91,504.32

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Solution

The fourth proportional to 142,471.04, 196,699.62 and 91,504.32 is: 126,333.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,471.04 : 196,699.62 = 91,504.32 : x
  2. Step 2: Convert to fraction form
    142,471.04/196,699.62 = 91,504.32/x
  3. Step 3: Cross multiply
    142,471.04x = 196,699.62 × 91,504.32
  4. Step 4: Simplify right side
    142,471.04x = 17,998,864,972.36
  5. Step 5: Solve for x
    x = 17,998,864,972.36/142,471.04
  6. Step 6: Final answer
    x = 126,333.50

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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.