Home / 142,697.79-196,924.40-86,098.23

Finding the Fourth Proportional to 142,697.79, 196,924.40 and 86,098.23

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Solution

The fourth proportional to 142,697.79, 196,924.40 and 86,098.23 is: 118,816.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,697.79 : 196,924.40 = 86,098.23 : x
  2. Step 2: Convert to fraction form
    142,697.79/196,924.40 = 86,098.23/x
  3. Step 3: Cross multiply
    142,697.79x = 196,924.40 × 86,098.23
  4. Step 4: Simplify right side
    142,697.79x = 16,954,842,283.81
  5. Step 5: Solve for x
    x = 16,954,842,283.81/142,697.79
  6. Step 6: Final answer
    x = 118,816.43

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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.