Home / 142,732.32-196,991.28-86,151.84

Finding the Fourth Proportional to 142,732.32, 196,991.28 and 86,151.84

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Solution

The fourth proportional to 142,732.32, 196,991.28 and 86,151.84 is: 118,902.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,732.32 : 196,991.28 = 86,151.84 : x
  2. Step 2: Convert to fraction form
    142,732.32/196,991.28 = 86,151.84/x
  3. Step 3: Cross multiply
    142,732.32x = 196,991.28 × 86,151.84
  4. Step 4: Simplify right side
    142,732.32x = 16,971,161,235.96
  5. Step 5: Solve for x
    x = 16,971,161,235.96/142,732.32
  6. Step 6: Final answer
    x = 118,902.02

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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.