Home / 186,904.28-280,069.42-126,854.76

Finding the Fourth Proportional to 186,904.28, 280,069.42 and 126,854.76

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Solution

The fourth proportional to 186,904.28, 280,069.42 and 126,854.76 is: 190,087.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,904.28 : 280,069.42 = 126,854.76 : x
  2. Step 2: Convert to fraction form
    186,904.28/280,069.42 = 126,854.76/x
  3. Step 3: Cross multiply
    186,904.28x = 280,069.42 × 126,854.76
  4. Step 4: Simplify right side
    186,904.28x = 35,528,139,057.44
  5. Step 5: Solve for x
    x = 35,528,139,057.44/186,904.28
  6. Step 6: Final answer
    x = 190,087.35

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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.