Home / 142,033.94-196,000.28-81,562.04

Finding the Fourth Proportional to 142,033.94, 196,000.28 and 81,562.04

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Solution

The fourth proportional to 142,033.94, 196,000.28 and 81,562.04 is: 112,551.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,033.94 : 196,000.28 = 81,562.04 : x
  2. Step 2: Convert to fraction form
    142,033.94/196,000.28 = 81,562.04/x
  3. Step 3: Cross multiply
    142,033.94x = 196,000.28 × 81,562.04
  4. Step 4: Simplify right side
    142,033.94x = 15,986,182,677.37
  5. Step 5: Solve for x
    x = 15,986,182,677.37/142,033.94
  6. Step 6: Final answer
    x = 112,551.85

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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.