Home / 245,196.56-338,273.20-154,528.40

Finding the Fourth Proportional to 245,196.56, 338,273.20 and 154,528.40

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Solution

The fourth proportional to 245,196.56, 338,273.20 and 154,528.40 is: 213,187.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,196.56 : 338,273.20 = 154,528.40 : x
  2. Step 2: Convert to fraction form
    245,196.56/338,273.20 = 154,528.40/x
  3. Step 3: Cross multiply
    245,196.56x = 338,273.20 × 154,528.40
  4. Step 4: Simplify right side
    245,196.56x = 52,272,816,358.88
  5. Step 5: Solve for x
    x = 52,272,816,358.88/245,196.56
  6. Step 6: Final answer
    x = 213,187.40

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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.