Home / 186,677.40-280,016.10-68,352.60

Finding the Fourth Proportional to 186,677.40, 280,016.10 and 68,352.60

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Solution

The fourth proportional to 186,677.40, 280,016.10 and 68,352.60 is: 102,528.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,677.40 : 280,016.10 = 68,352.60 : x
  2. Step 2: Convert to fraction form
    186,677.40/280,016.10 = 68,352.60/x
  3. Step 3: Cross multiply
    186,677.40x = 280,016.10 × 68,352.60
  4. Step 4: Simplify right side
    186,677.40x = 19,139,828,476.86
  5. Step 5: Solve for x
    x = 19,139,828,476.86/186,677.40
  6. Step 6: Final answer
    x = 102,528.90

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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.