Home / 187,217.14-258,329.46-106,646.23

Finding the Fourth Proportional to 187,217.14, 258,329.46 and 106,646.23

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Solution

The fourth proportional to 187,217.14, 258,329.46 and 106,646.23 is: 147,154.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,217.14 : 258,329.46 = 106,646.23 : x
  2. Step 2: Convert to fraction form
    187,217.14/258,329.46 = 106,646.23/x
  3. Step 3: Cross multiply
    187,217.14x = 258,329.46 × 106,646.23
  4. Step 4: Simplify right side
    187,217.14x = 27,549,863,006.94
  5. Step 5: Solve for x
    x = 27,549,863,006.94/187,217.14
  6. Step 6: Final answer
    x = 147,154.60

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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.