Home / 187,817.40-282,017.70-109,085.40

Finding the Fourth Proportional to 187,817.40, 282,017.70 and 109,085.40

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Solution

The fourth proportional to 187,817.40, 282,017.70 and 109,085.40 is: 163,797.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,817.40 : 282,017.70 = 109,085.40 : x
  2. Step 2: Convert to fraction form
    187,817.40/282,017.70 = 109,085.40/x
  3. Step 3: Cross multiply
    187,817.40x = 282,017.70 × 109,085.40
  4. Step 4: Simplify right side
    187,817.40x = 30,764,013,611.58
  5. Step 5: Solve for x
    x = 30,764,013,611.58/187,817.40
  6. Step 6: Final answer
    x = 163,797.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.