Home / 142,069.01-196,080.65-84,712.03

Finding the Fourth Proportional to 142,069.01, 196,080.65 and 84,712.03

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Solution

The fourth proportional to 142,069.01, 196,080.65 and 84,712.03 is: 116,917.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,069.01 : 196,080.65 = 84,712.03 : x
  2. Step 2: Convert to fraction form
    142,069.01/196,080.65 = 84,712.03/x
  3. Step 3: Cross multiply
    142,069.01x = 196,080.65 × 84,712.03
  4. Step 4: Simplify right side
    142,069.01x = 16,610,389,309.13
  5. Step 5: Solve for x
    x = 16,610,389,309.13/142,069.01
  6. Step 6: Final answer
    x = 116,917.76

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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.